Board Thread:General Discussion/@comment-26220961-20160326015422/@comment-25892460-20160328044033

According to The Lunch Club, its mainly because his parents favor Don over him, so its not like he's the only one at fault (ironically, Don and Rigby have no real problem anymore, and in fact Don admired Rigby). Still, his parents do approve of his relationship with him and Eileen, and all the other characters who have problems with their parents were able to work them out and reconcile (see Mordecai, Margaret, CJ, and even Benson), so there is hope.