goes a few hours without eating

Tummy: panik

A simple grumble would be perfect. Sometimes I get really hungry annoyingly quickly, and other times I don't get hungry and go way too long before remembering to eat. It'd be really great if I could just program my body to just give me a lil popup reminder after a certain number of hours.

Sometimes strokes can destroy the area of the brain that controls hunger. They require alarms to consistently eat, sleep, etc. I remember one story about a guy who put all these alarms on his watch. One day, his watch runs out of batteries, so his alarms stop completely. A couple days later, he calls the hospital because he couldn't get out of bed. Turns out he hadn't eaten anything the whole time. In short, you'll probably forget to eat without any signal you have to.

I will tell you, it's not that hard to train your body to treat hunger differently. You just need to fast now and then, most religions have guidelines for this. It doesn't take much to give you hunger resistance, and it makes a huge difference... You become less affected by low blood sugar and able to ignore hunger when you need to

After your body adjusts, hunger becomes cyclical - you feel hungry, maybe even nauseous, but then it goes away after a couple minutes. If you're doing something, it's so easy to ignore you forget about it