How do i keep my self form quiting my diet HELP!!!!!!!!!!?

Damn man im in the same position! I was on a strict diet this past week, then unfortunatly i gave up, i drink hella mountain dew, cant live without it, that and starbucks mochas.I dont know whut to tell ya, its gonna be a big battle your gonna have to struggle with, then ingrediants they put in the pop makes it addictive.You could try to do a body cleanse, good luck!