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Monday, March 2, 2026

Lose Weight By Embracing Your Interior Economist and PF Nerd


I’ve wished to lose 10 kilos (~6% of physique weight) ever since I began Monetary Samurai in 2009. I’ve come shut, dropping 5 to 6 kilos in some years, however by no means fairly hitting the double digit aim. In consequence, for greater than 16 years, I failed to perform one thing that ought to have been easy, particularly for a supposedly rational economist and private finance nerd.

There have been even moments after I thought of deliberately gaining quite a lot of weight simply to make shedding 10 kilos simpler. The thought felt much like racking up a ton of bank card debt to take pleasure in life to the fullest, then celebrating as soon as it was all paid off. I noticed folks do that on-line and get praised like heroes.

As an alternative of intentionally gaining weight, I ultimately determined it was more healthy to only drop pounds. And surprisingly, all it took was lastly making use of two financial ideas: discount and substitution. As soon as I did, the load got here off in six months.

The Fundamental Financial Precept of Discount

As the worth of a great rises, the amount consumed tends to fall. This relationship is clearly illustrated by the basic supply-and-demand curve.

If every meal prices $25 and I’ve $100 to spend on meals, I can purchase 4 meals. If the worth per meal rises to $33.34, that very same $100 solely buys three meals. With a set finances, the rational shopper should scale back consumption by about 25–30 p.c.

The place we get into hassle financially is ignoring this precept. As an alternative of adjusting conduct, we pay $134 for 4 meals, soak up the upper price, after which complain about meals inflation.

A extra constructive response is to make use of increased costs as a forcing perform to devour much less. Fewer meals out will help us keep inside finances and, in lots of circumstances, enhance our well being as effectively. Decrease spending and higher self-discipline is a win-win final result.

Sure, combatting inflation is easy however not straightforward. As traders, we have been capable of make good-looking returns lately, thereby making it simpler to splurge on meals. Nevertheless, as a rational economist, you alter your conduct if you wish to change your final result.

Supply demand economic chart - lose weight by embracing your inner economist
As the worth of meals goes up, consumption ought to go down

We Ought to Have Consumed Much less Meals Throughout The Pandemic

Primarily based on the easy financial precept that increased costs ought to scale back consumption, I ought to have misplaced a ton of weight throughout the pandemic.

As an alternative, beginning in 2020, our meals spending climbed quickly as we ordered extra supply. On the time, it made sense. Supply saved time and decreased publicity danger, particularly since our daughter was born in December 2019 and had a still-fragile immune system.

The issue is that meals supply sometimes prices about 20% greater than selecting up the identical meal and roughly 50% greater than cooking at dwelling. With a new child and a three-and-a-half-year-old, we justified the premium as a essential time saver.

5 years later, we had been nonetheless ordering supply frequently. Not solely is it costly, however restaurant meals can also be usually much less wholesome, with increased ranges of added sugar and salt.

The Catalyst To Lastly Begin Dropping Weight: Much less Cash

To drop pounds, it helps to have a catalyst. Mine was spending 5 weeks with my mother and father in July 2025. My dad, who’s about six ft tall and weighs roughly 155 kilos, known as me chubby. Thanks dad. I fired again that he ought to placed on some weight and muscle.

However deep down, I knew I might stand to lose some weight. On the time, I used to be 5 foot ten and weighed 172 kilos. There may be nothing like going to Hawaii and having to take your shirt off on the seaside to make you confront extra weight. If you’re now not attempting to draw a mate, the pure tendency is to let your self go as a result of you have already got one.

As a result of we stayed with my mother and father, we saved at the very least $20,000 in lodging prices. Initially, I solely had meals and transportation bills to fret about. That modified as soon as I made a decision to rework my mother and father in regulation unit. What I assumed would price $25,000 ended up costing $41,000. It was essentially the most cash I had spent in a four-week interval since transforming a previous dwelling from 2019 to 2022.

As I watched the payments pile up, I grew to become conscious about each price round me. When bills rise, money circulate out there for every thing else shrinks. And one of many few actually versatile bills left was meals.

In consequence, I deliberately determined to spend much less on meals to enhance money circulate. For instance, as a substitute of spending $25 for an additional container of poke from Recent Catch, we made due with much less. The humorous factor is, in the long run, my mother and father ended up footing 85% of the rework invoice. I simply did not anticipate them to, which is why I lowered my bills.

Associated: All the pieces Is Rational – The Reply To All Issues Irrational

A Cautious Inspection Of Our Meals Finances

After we returned from Hawaii, I lastly examined our meals spending intently and was surprised. We had been spending round $3,500 a month on meals for a household of 4.

Though I handle our investments and generate supplemental retirement revenue by way of this website and e book writing, I don’t actively handle our family bills.

In my head, I believed we had been spending round $2,500 a month on meals. Inflation that accelerated after 2021 modified every thing. Regardless that headline inflation has moderated, our meals prices are nonetheless roughly 40 p.c increased than they had been 5 years in the past.

Mentally, I used to be caught in a a lot earlier pricing period till I confronted the precise numbers. Inflation has an effective way of sneaking up on us.

Including Substitution To Lose Weight

Anchoring to outdated value reminiscences is why all of us ought to conduct a deep monetary overview at the very least annually. What we bear in mind is usually disconnected from current actuality.

This is identical anchoring mistake many older generations make after they say issues had been low-cost again of their day and that working more durable was all it took. They underestimate the compounding impression of inflation relative to wages.

As soon as I understood our true spending, my spouse and I created a month-to-month meals plan. Our goal was to return to $2,500 a month and save $1,000 a month whereas consuming more healthy. That meant consuming much less, but additionally substituting.

The largest substitution: going from meals supply to extra home-cooked meals.

Dwelling in San Francisco, a high three meals metropolis within the nation, makes this more durable. We construct the expertise that makes meals supply handy. We’re additionally surrounded by a whole lot of wonderful eating places throughout each delicacies possible, all deliverable inside an hour.

In actual fact, I lately found a restaurant known as Khao Tiew that serves the very best khao soi I’ve ever had. Sadly, when you add boneless beef quick rib and tax, the dish runs about $28 for pickup. So for now, I’ve changed it with $1.49 prompt ramen noodles and name it a lesson in self-discipline. Substitution child!

Khao Tiew menu in Forest Hill, San Francisco. Some of the best Thai food in San Francisco
Khao Tiew on the west aspect of San Francisco has insanely good Thai meals

Write Out Your Causes For Wanting To Lose Weight

After operating by way of your finances and deciding how a lot to scale back and what to substitute, it is lastly time to jot down out the the explanation why you wish to drop pounds. As a result of after getting a why, you are able to do nearly something.

My causes are:

  • Increase money circulate by $1,000 a month as I put together for more durable instances forward resulting from AI.
  • Cut back whole ldl cholesterol by 50 factors earlier than my subsequent bodily in six months.
  • Keep trim like my dad so I can dwell to age 80+ and have my youngsters go to me with hugs and kisses like after they had been younger.
  • Cut back impression on my knees and joints when enjoying helps so as to really feel higher each day.
  • Proceed becoming into the identical garments I’ve worn for the previous 25 years, saving cash and sparing myself the time and annoyance of buying new ones.

The Closing Monetary Kick within the Rear to Lose Weight

By mid-October, three months in, my weight dropped from 173 kilos to 168 kilos. I felt good concerning the progress as a result of I used to be now not simply shedding water weight. It felt actual.

Then Enterprise Insider got here by to interview me about saving cash whereas elevating a household. Once I noticed myself on digicam, I felt newly motivated to maintain losing a few pounds. The saying is true: the digicam actually does add 10 kilos.

After the video got here out, I might out of the blue empathize with actors and celebrities who obsess over health, weight-loss medication, beauty procedures, and excessive diets. When your picture impacts your livelihood and future alternatives, the stress to look your finest is intense and comprehensible.

The expertise additionally strengthened my need to not pursue video to not fall into the lure of exterior validation. So it’s again to writing and podcasting for me, the place the main focus is on concepts reasonably than appearances. However if you need motivation to drop pounds, movie your self and watch it.

Thank Goodness For Greater Meals Costs

If meals costs had been falling, meals consumption would logically rise. Good meals is difficult to withstand. However after I watched my favourite steak on the grocery store go from $28 a pound to $32 after which $39, I ended shopping for it. First I substituted with $12 cheeseburgers. Then I started lowering the consumption of meat altogether.

As supply charges and menu costs climbed, opting out altogether grew to become easier. Meals that after price underneath $85 for our household of 4 now routinely exceed $140. At that time, rice porridge with hen and cabbage for $15 masking two days sounded nice.

Now that I’m used to a flatter abdomen, I’ve no need to return. My endurance on the courtroom has improved and I really feel fitter total. As Steven Tyler as soon as stated, “nothing tastes pretty much as good as skinny feels.”

Though paying extra for meals is disagreeable, I’m oddly grateful. For too lengthy, I lived comfortably with out scrutinizing my meals spending and ate no matter I wished. That is the issue with residing in America given there may be an abundance of every thing.

By consuming much less, I not solely misplaced weight but additionally improved my monetary self-discipline. Possibly I’ll even attain 155 kilos sooner or later, like I used to be in highschool, and dwell to 80 like my dad.

Who am I kidding? 155 kilos is simply too mild. I’m blissful staying round 165 kilos, plus or minus two, for the remainder of my life. Struggle on!

Readers, have you ever adjusted your consumption or substituted away from increased priced meals as costs surged? How have your habits modified because the pandemic? Are you a rational economist and PF nerd who adjusts conduct to costs?

Options For A Higher Life

In the end, the aim of losing a few pounds is to really feel more healthy and dwell longer. Whether or not you succeed or not, you may at the very least shield your loved ones with an inexpensive life insurance coverage coverage by way of Policygenius. My spouse and I each secured matching 20 yr time period life insurance coverage insurance policies throughout the pandemic to guard our two younger kids, and as soon as we did, an incredible quantity of monetary fear disappeared.

To expedite your journey to monetary freedom, be a part of over 60,000 others and subscribe to the free Monetary Samurai e-newsletter. You too can get my posts in your e-mail inbox as quickly as they arrive out by signing up right here. Monetary Samurai is among the many largest independently-owned private finance web sites, established in 2009.

For background, I used to be an Economics main at The School of William and Mary and have all the time liked the topic. If I had not gone into equities, I probably would have pursued fastened revenue as a substitute. The only most essential financial indicator I observe is the ten yr bond yield. The danger free price tells us an unlimited quantity about progress, inflation expectations, and danger.

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