WTF!?!?!?!?

ok really so the past week i have done good i know i could have done better i had a few days at 1200 cals one at 1400 & 1500 but really is that all that BAD?? i have been burning about 600 cals a day so about 1 hr of working out !! to get on the scale this am to be a 1lb up are you kidding me !?!??!? it is days like this that really makes me want to stuff my face!!!! and just give up BUT i am still going in hopes it was just a mess up and when i have my WI on wed it will say something BETTER??????!??!?!?!?