&gt; Do you think he was lying?<p>Yes. If there&#x27;s anything reading diet studies has taught me, it&#x27;s that people lie, to themselves even, and people are very bad at estimating calories. Things like MyFitnessPal have been a boon to countless people trying to lose weight because they can actually get a handle on what their intake <i>really</i> is. Bonus, they can compare across food choices to see what will fit in their caloric budget but still be filling or satisfying.<p>I&#x27;ll issue you a counter-challenge: watch &quot;Secret Eaters&quot;.