He knows what you are.

No well, he didn't mean to make it sound that way, let's recap.

He didn't pay much attention at first, he swears, you two were teammates in the Titans and honestly he has a lot more important things going on in his life than knowing wether you like swords or...well, you know, he doesn't care, he's not the type to judge.

...But then you came out...maybe a tiny bit homophobic? being uncomfortable around gay people or making just...off comments. Yeah, he didn't vibe with that. Like what's your issue?! you don't need to judge others just to prove how straight you are jeez

And then one time you left your laptop open and...well, let's just say your search history had his brain going on syntax error before 'ohhhh' and everything clicked.

Doesn't mean he supports your incredibly repressed, incredibly closeted behavior.

So it's hard to suppress a snort when you talk about how you're toootally going out with someone of the opposite sex to Beast Boy.

Oh, he didn't mean to actually do that.

And now you're...looking at him.