Eating problem

i have a eating problem before i became pregnant i wieghed 125 i gve birth and wieghed 140 i lost a lot of wieght until i starting getting the depo shot i got use to eating all the time i weigh about 150 now what my problem is whenim upset nervous i always eat even when im bored i just eat can yo think of any other alternitive or even healthy snacks i can just snack on?

Vegetables and chewing gum.