Question on weight gain?

Anonymous
i recently just lost about 30 pounds over the course of a year by eating very healthy and exercising a fair amount. I still eat very healthy even after the weight loss, but at night I tend to cheat and eat junk. will this make me gain all the weight back? I'm very worried about this.. but I'm thinking that since I lost the weight over a long period of time and I still eat very healthy during the day it won't affect my weight very much.

does anyone know a lot about this subject?
Question on weight gain?
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