Don't worry: if you've been doing great the last few weeks, then a couple of days eating too many chocolate chips definitely won't undo your progress! Focus on moving forward with your healthy eating habits, so that all the good you've done for your body so far doesn't get UN-done
Get yourself into the gym, even if it's tough. Activities burn calories, and weight training builds muscle, which burns calories for your body every day... versus fat, which is perfectly happy to exist on your body, burning nothing
! Think about how great you're going to feel in that dress if you've been taking good care of your body.
So enough of this, get goin