Frequently overexercises and limits all food intake before weighing in for a wrestling match. After weigh in, he eats unusually large amounts of snack foods. Ultimately, putting his body through binge and purge sessions. It is likely that Rex is suffering from:

yo

sorry to break it to ya but no one can answer your question it's just

jk but i am serious about the part that most people cant answer it beacuse you did not mention the section you are talking about. but it would if you added some detail and were a bit more specific.