You’re comparing your progress to someone else’s and feeling discouraged. Why is this comparison flawed?
The Short Answer
You’re comparing your insides to their outsides. You see their results without seeing their genetics, history, starting point, circumstances, struggles, or timeline. You’re comparing your real, messy journey to a curated, partial view of theirs. Different bodies respond differently. Different starting points mean different trajectories. Someone losing faster isn’t evidence you’re failing: their body, their starting point, and what they are actually doing are all hidden from you. The only meaningful comparison is you now versus you before.
Something to Sit With
Whose progress are you comparing yourself to?
What do you not know about their situation?
If you compared yourself only to where you started, how would you evaluate your progress?
Learn More
What You Don’t See.
When you compare yourself to someone else’s progress, you’re missing:
Their genetics. Metabolism, body composition, hormonal profiles, and fat distribution are significantly genetic. You didn’t choose your genes; neither did they.
Their history. Prior weight, prior diets, muscle mass, cycles of loss and regain: all affect current response. What the evidence describes is adaptation rather than damage: the body adjusts what it spends when intake changes, which is why plateaus arrive earlier than a fixed-deficit calculation predicts.[1] Two people doing the same thing get different results because they’re not starting from the same place.
Their actual compliance. You know your own lapses. You see their reported success. They may not be telling you about their struggles, or they may be doing more than you realize.
Their timeline. When did they actually start? People sometimes remember timelines selectively. “I lost 30 pounds in three months” might actually mean “I’ve been working on this for a year and the last three months is when it clicked.”
Their circumstances. Stress levels, sleep quality, job demands, family obligations, health conditions: all affect weight loss. You don’t know what advantages or disadvantages they’re working with.
Their definition of success. Are they measuring the same things? Are they actually feeling good, or just posting good numbers? Appearance doesn’t reveal health.
The Biological Reality.
Bodies vary enormously in how they respond to interventions:
Metabolic rate differences. Two people of similar size can have different caloric needs.
Hormonal variation. Thyroid function, insulin sensitivity, cortisol levels, sex hormones: all affect weight loss rate.
Fat cell behavior. Some people have more fat cells; others have larger fat cells. These may respond differently to weight loss.
Defended weight. Bodies may have weights they resist moving away from, though there are three competing models of how that works: neither of the two familiar ones, set point and settling point, is adequate on its own, and the third is a review’s proposed synthesis rather than a settled finding. That review puts the interaction between genes and environment at the center of weight regulation.[2] The defense is also lopsided: resistance to losing weight is stronger than resistance to gaining it.[3]
Adaptation rates. Bodies adapt to restriction at different speeds.[1]
This means two people doing the exact same program should expect different results. Where it has been measured directly, across 800 people and nearly 47,000 meals, blood sugar responses to identical foods showed high interpersonal variability, the paper’s own phrase, while staying highly reproducible within each person (R = 0.71 to 0.77 across repeated standardized meals).[4] Individual variation is the norm.
The Comparison Bias.
Psychologically, you’re set up to make unfair comparisons:
Selective visibility. You see others’ successes more than their struggles. Success gets shared; difficulty often doesn’t.
Unlike comparisons. Comparing yourself with someone whose body, history, and circumstances differ from yours sets you against a standard that was never yours.
Selective memory. You remember their peak moments; you remember your worst moments.
Social media amplification. Curated feeds show transformation photos, not the bad days.
You’re essentially comparing your behind-the-scenes to their highlight reel.
The Meaningful Comparison.
The only fair comparison:
You now vs. you before.
- Are you better than you were a month ago?
- Are your habits stronger?
- Have you learned something?
- Are you moving in the right direction?
This comparison accounts for your unique circumstances, genetics, history, and starting point. It measures actual progress, not relative position.
When Comparison Helps.
Occasionally, comparison can be useful:
For learning, not judgment. “What are they doing that I might try?” is different from “Why can’t I do what they’re doing?”
For possibility. Seeing someone else succeed can show what’s possible, not as a benchmark you must match, but as evidence that change happens.
For community. Sharing a journey with others provides support, even if trajectories differ.
But these uses require separating “information” from “evaluation.” The moment comparison becomes self-judgment, it works against you: self-criticism after a lapse produces distress, and that distress drives more eating.[5]
The Reframe.
Instead of: “They lost 20 pounds and I only lost 8. I’m failing.”
Try: “They lost 20 pounds. I lost 8. Different bodies, different circumstances. I’m making progress.”
Instead of: “It’s not fair that they can eat like that and stay thin.”
Try: “We have different genetics and circumstances. What works for my body?”
Instead of: “I should be further along by now.”
Try: “I’m further than I was. That’s the only trajectory that matters.”
Further reading:
- Festinger L, “A theory of social comparison processes”[6] — Human Relations, 1954
- Corcoran K, Crusius J & Mussweiler T, “Social comparison: motives, standards, and mechanisms”[7] — Theories in Social Psychology, 2011
- Clear J, Atomic Habits[8] (2018) — On identity and personal progress
Written by AI, directed and approved by me. How this is made →