You use general principles. Eg, someone else posted this which I think is good: https://en.wikipedia.org/wiki/Hara_hachi_bun_me https://en.wikipedia.org/wiki/Ha

You use general principles. Eg, someone else posted this which I think is good: https://en.wikipedia.org/wiki/Hara_hachi_bun_me https://en.wikipedia.org/wiki/Hara_hachi_bun_me Also throughout the thread you see people saying "that's what worked for me, everyone is different". The underlying point is to eat a diet that satisfies your hunger to the point you feel comfortable without consuming more calories than you need for your daily activities. People with a sweet tooth may need to avoid high fat, high salt stuff. People who enjoy fat more may need to avoid carbs. People who enjoy exercise may just need to exercise a bit more, etc.