and i wanted to share this about R+L=J..
lets say this does happen in the books, Jon is revealed to be a Targaryen.. do you think he'll easily be accepted as one on the word of Howland Reed?
i think that even if he is revealed as a targaryen, i think it'll have very little repercussions!
similarly with Tyrion(even though i dont believe it), if he IS infact revealed to be half-targaryen, no one would believe it and he'll prefer to stay a Lannister himself!
so at the end of the day, i think these theories are gonna stay theories till the end of the days cuz making them reality really isnt that good an idea!