The wristwatch parasite
The wristwatch parasite is a thing that looks like a popular new wristwatch but doesn't be fooled once you put it on you will become obsessed with the time of it. It will make you think of discoveries of new time segments. The bad side effects are you will not be able to fall asleep at all and you will get extremely hungry and eat more than any average person. The bad thing is after the wristwatch parasite is done with you it will let loose all of the calories from all the food you ate while it was latched onto you if it feels you did not respect it and leaving all of the weight it held back leaving the person to weeks if not year's of exercise the weight off over eight year's.