Niknak, sorry to be brutal, but
crap food + inactivity = fat knacker
(or fat niknak).
Good dieting tip, learn the phrase "No thanks, I'm full."
Sorry I can't be more useful, but change one or both of the variables to the left of the = to influence the variable to the right !
(I love this website, shame I havn't got the bottle to speak to my patients like this!)