My BIL has this problem with his 9 year old son, and it drives his new wife CRAZY!! She makes him clean his own shorts, and if he leaves back home for the weekend, she saves them for him (YUCK!!). My nephew is a bit overweight, so we aren't sure if it is laziness, or drama related to the divorce and new families, but my guess would be the emotional stuff. He is very much loved, and his sister travels back and forth with him and she seems quite settled and fine, but he is a sensitive guy. They haven't taken him in yet due to both parents needing to be there and the fact that he's only at dad's on Sat. and Sun. and Mom works weekends (and most Dr.'s are closed anyways.) so it's kind of a mess, literally! Anyways, I know this wasn't much help, but I just wanted to say, he's not the only one. Good luck and let us know what the Dr. said!