How to control appetite?

I have been having a hard time controlling my appetite this past week. I have junk food every single night (2-3 am), have been snacking a lot, I make bread after dinner and eat half a loaf by myself, its just getting waayyy out of control.

My mum doesn't allow me to visit the doctor so he could proscribe me with some sort of pills to make me eat less. Help? :'(
How to control appetite?
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