Taking deep breaths, Neville was far too nervous to be aroused by the fact that Lavender was running her fingers through his hair. Evidently, it was not fit for girls to do such a thing, so perhaps he'd done the right thing in agreeing to her request.
"I... don't remember?" He responded to her question, preferring not to dwell too long on the fact that she wouldn't be using magic. "I don't think that much about it, really. I guess Gran doesn't, either."