Similar experience here with Tirzepatide. Overeating is punished swiftly and painfully.
If it works for you, look into getting one of the 15mg pens and counting clicks in order to get more doses per vial. I've been on the one pen for 3 months now and it's still got plenty of juice left.
One of the quirks of buying brand name GLP1s in the US is that we don't get the dial-a-dose pens, every autopen is one-shot. Some people disassemble them to get multiple doses, but at that point you might as well get the cheaper brand name vials or go with compound or gray.