[His expression softens slightly into something more apologetic.]

I'm just happy for you, Aether! I never imagined I'd be able to have a friend who I could tease about their love life, that's all~

[People have a tendency to get tired of Heizou's antics, after all. Assuming they even stick around long enough to have to put up with them.]

He is treating you well, isn't he? [If those hickeys are any indication...] You both seem quite enamored of each other~