We have all experienced a momentary lapse in judgment.  I did it this weekend myself.  You meant to just grab a cup of coffee on your drive into work this morning.  You stopped at Starbucks, and there it was staring back at you with that tempting look you could not resist.  That pastry or doughnut looks so good and not it is in your stomach.  You gave in to that craving and not you have regret and guilt and are tempted to take the rest of the day “off” because you already ruined it. 

Losing weight is a mental challenge.  No matter what plan you are on, the key is focus and control.  You had a momentary sleep that could get much worse if you do not maintain some self-control.   You need to keep control of your food intake and exercise on a regular basis. One moment of indulgence does not torpedo your plan to get more healthy.  

The bottom line: You have plenty of opportunities to get back on track, and it is not too late to make today a success.  Just remember, being defeated can be only a temporary condition, but if you give up, it becomes a permanent condition.