How do people get so overweight to the point of morbid obesity or becoming immobile?

Morbid obesity: Many very obese patients have significant psychologic problems. One of the common problems is psychologic compensation trying to make oneself unattractive as a way of avoiding interpersonal problems. There are many variants.

Hard wiring.: When we speak of the "super-obese", contrary to popular belief, it's not just that they eat way too much There's some faulty genetic hard wiring involved there.