>>3034144His whole point was that he was the Stranger archetype embodied. He belonged nowhere and was a nobody until the time came for him to step onto the stage and play his role, after which he departs, leaving everything and everyone behind. Pairing him with other characters feels weird.
I am personally happy that he hasn't been swallowed by the yaoi standardization machine, even if it means porn of him is rarer than clean conscience.