To be fair, it's not just Mai. He's had other people mistake him for younger before too. Maybe it was the curse of having started out as a child actor or something.

"Man, tell me about it. Like the jello shots were pretty awesome but totally not worth the consequences."

Sora isn't usually this tied to his phone either, not that Mai would know that. And he actually does apologize as he checks it again, looking a touch sheepish. "Uh, sorry, my..." A definite pause there. "My friend's not here right now and I just want to make sure he's not trying to reach me or anything."