To be fair, that does not prove anything, i mean... he can like all of those, regardless i do agree that Wrathion and Anduin stuff was mostly a fan thing that would have never happened, but that's how most ships go
Looking at you Jaina x Thrall (though that one had a bigger chance of sailing)
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Lets be fair, none of the relationships in WoW get enough time to actually become more than a platonic relationship, but that didn't stop them, though most of those details are worked out out of camera