I hate to gatekeep, especially after my last comment....but how fat have you been?

Losing weight is not complicated or hard. I never said it was. I said it's a 24/7 challenge of willpower that doesn't go away when you hit target weight.

The biggest chunk of that willpower is spent against fighting the lack of (or insensitivity to) the hormone that makes them feel full in the first place...a problem that can now be countered medically.

It's not surprising, then, that when they stop taking the medicine, they start feeling hungry, and when they are hungry, they would eat.

It paints a picture that there are actual physiological barriers to losing weight...physical barriers that probably didn't mean much before the current food landscape. Now calorie-dense foods are cheap, readily available, shelf-stable, physically addicting, and completely devoid of actual nutrition.

That physically addicting part is really the worst of it. You can't just not eat. You have to succumb to hunger eventually.

Telling a fat person to lose weight is no different than telling an alcoholic to cut back to no more than 3 drinks a day, forever. Is that impossible or unreasonable, for someone else has never experienced alcoholism? Sure. Absolutely. Is it something you can realistically expect from an alcoholic? No, that's crazy...nothing against alcoholics, but we know and understand now that it's addiction and there are physiological barriers, and telling people that the cure is to just cut back is batshit insane.

Likewise, you can't just stop eating. You have to face a trigger, multiple times a day, every day. It's incredibly exhausting.