( She taps it, expecting the horn to fall off like a Halloween headband, and flinches back when the it stays in place... almost as if they're actually growing from his head. Her curiosity isn't sated until she flicks them two more times, just to be sure. )

Okay... you so used some industrial strength glue to make your cosplay really convincing... ( By this point, she's sounding a lot less sure of herself. Even if the horns weren't real, it wouldn't explain his dedication to talking about a 'fantasy' world where Kate Beckinsale is a troll..? For some reason? )

If you're such an alien, what do people eat on your planet? ( She's not sure how this will prove anything... but it will! Somehow! )