i need help

i've gained 20lbs by binge eating i don't know how to stop i eat when i'm bored & i eat just all the time, i'm always hungry for some reason i just cannot stop & if i don't eat like every 3 hours i begin to get super snappy & i have like a crisis & it's not even snappiness anymore i go insane & i scream & shout & it's not good idk what to do