[His eyes widen, and without thinking he leans forward and runs fingers through her hair, moving it away from her ears to see them. he then moves back to let her change them back, and he is just staring.]

How... how long does it last? Can y-you really do that to me? Er uh, other people? Do you have to stay around me when the spell is happening? Do they actually get smaller, or is it, uh, some kind of, [Flails his hands a little.] illusion of something and I wouldn't uh, actually be able to like, say, uh, hypothetically, go into houses normally, or, um, that kind of stuff?