Head up, chica! Today is a brand new day and a fresh start. You are new to this and it takes time to build up the will power and change your habits! As others have said, drink A TON of water! Cold is best, it helps speed up your metabolism. We have all been down this road, to me it is how often you let it happen. I am serious about losing weight but I do not deprive myself of a treat every once in a while. You will be just fine, go for a nice long walk today and re-focus your energy into something good!