How do i get back to my diet?

ok i was doin a diet and excercising to get six packs, my stomach is still coverd with a small layer of fat, i can c all the fat wen i sit. When i feel my stomach its hard like muscles inside dunno if they r the packs or not. anyways i stoped my diet and my cardiac training and the other stuff i do, i wanna get back and cant. i eat aloot this day and feel like i got fatter so i say ill get back tomorow and the day after i dont eat as much but i dont excersize. HELP ME i wanna get my six packs!