Tyrion Lannister: You say you can't have children, but there are other ways of choosing a successor. The Night's Watch has one method. The ironborn, for all their many flaws, have another.
Daenerys Targaryen: We will discuss the succession after I wear the crown.
Tyrion Lannister: Your Grace, I saw hundreds of arrows fly towards you when you fought on the Blackwater Rush, and I saw hundreds of arrows miss. But any one of them could have found your heart and ended your...
Daenerys Targaryen: You've been thinking about my death quite a bit, haven't you? Is this one of the items you discussed with your brother in King's Landing?
Tyrion Lannister: I'm trying to serve you by planning for the long term.
Daenerys Targaryen: Perhaps if you planned for the short term, we wouldn't have lost Dorne and Highgarden. We will discuss the succession after I wear the crown.