Jim KatsoulisJim AI — Your Personal Guide to Living at Your Goal Weight

You don't actually know how to be thin #programyourselfthin

6 Aug 2026 · 0 min

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Jim Katsoulis argues that being thin is a skill you have to practice, not something you know in theory. You can't think your way thin any more than you can play piano without touching the keys. You have to actually live like a thin person does, every day.

You don't know how to be thin if you're not thin. You have some vague ideas of what you should do, but you don't know how to do it regularly. It's like saying, "I know how to play the piano. I just gotta practice a lot and hit the right keys." Well, that's not knowing how to play the piano. So the secret to becoming thin is to realize you have to practice it. You have to get good at being thin, eating like a thin person, thinking like a thin person, living like a thin person. And it requires practice in order to make that happen.