Quote Originally Posted by Zergrusheddie View Post
Anyone care to elaborate?
Dragon disciple mandates that you cannot be a dragon to take the class, specifically mentioning that half-dragons don't qualify. Thus at tenth level, when you become a half-dragon, you no longer meet the requirements for dragon disciple and lose all the abilities of the class, which then causes you to meet the requirements once again and gain your class abilities including becoming a half-dragon, and so on.