[Karkat's head snaps up and he fixes PM with a glare. That's his matesprit she's hitting on. Sort of. Kind of. Shit he has no idea where he stands with Terezi anymore, but his stomach bluh bluh troll biology clenches against a stab of jealousy.
Which he of course forcibly tries to deny, and barks a nasty, humourless laugh. All he has to do now is wait for Terezi to say no...]