You Married Mine
Little boy: Daddy, I want to get married.
Father jokingly said: Oh! Who did you have in mind?
Little boy: Grandma.
Father: Wait a minute, you did not think I'd let you
marry my mother, did you?
Little boy: Why not? You married mine. 
你娶了我妈妈
小男孩： 爸爸我想结婚
爸爸开玩笑说：哦，你要跟谁结婚？
小男孩： 奶奶
爸爸：等一下你认为我会让你跟我妈妈结婚吗？
小男孩：为什么不可以？你和我的妈妈结婚了。