User blog comment:QueenBuffy/Season 5 returns!/@comment-195.158.103.129-20150424121637/@comment-1600847-20150424143933

Not to mention even if Daenerys weren't sterile, why would she want to marry Tyrion? As she shows us in the books, she only goes for men she finds attractive, even if the non-attractive man would make a superb match politically and militarily. As Barristan says "Whatever else she may be... she is still a young girl."