He has been theorized to have everything from Cerebral Palsy, ODD, Sensory issues, Bi polar dissorder (which does run in his biological family) and attatchment disorders
. Heres what he is doing, and has been since day one. He eats everything...literally, his mattress, sheets, stuffing from his pillows. He gets out of bed at night and empties the fridge, eating everything until he vomits, then eating more.