She must have been bored today. Normally she only does this in private. I seem to be the only one who knows about her powers. Then again I know everything there is to know about her... (Jack watching Jenny practice her power by the fountain)
... A CALORIE is not just a calorie when it comes to WEIGHT GAIN. How it behaves once ingested totally depends on your individual biochemistry. This is especially true for sugar calories. It won't be long till counting calories is officially considered an INEFFECTIVE strategy for losing weight.