Don't sweat it. That maybe what your body needed. That happened to me oneday. After eating about 25-30 carbs a day for about 4 weeks, I ventured off and ate about 50-60. Funny thing I lost weight.! I continue now to alternate between high and low days to keep my body guessing. It appears to working. Some days I have consumed upwards of 90 carbs and continue to lose. Now, those high carb days consist of extra servings of vegetables and fruit. No junk foods, although I did eat a 4 inch slice of pound cake. I think when people say they are stalled, I think all they need is a good carb kick.