Jon will give up the throne for Daenerys, in my opinion. Or Daenerys for Jon. In the books, Jenny of Oldstones was a poor woman who married Duncan Targaryen, who gave up the throne for love. The song that Podrick singed was "Jenny of Oldstones". Maybe that is happening between Daenerys and Jon. Also, the visions in the tower of Daenerys, she almost touched the iron throne but she refused to do it when she heard her dragons. I think she is going to be very, very close to be the seven kingdoms queen but she refuse it for saving Viserion (the death dragon)
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