Game of thrones is on the same level as memes. I mean, it is nerdy stuff/fan stuff. Not romantic or intimate at all.

Some fans can be very excited about commenting the last chapter of something but that doesn't mean romantic feelings. With game of thrones, some people got up early to see the last chapter can comment. Or depending the country, saw it at night and commented right away. And it was only about the show.

There is a huge chance that she is proyecting romantic feelings where there is nothing more than friendship. And if she is much younger, she could see him as a dad-like figure or mentor.