Her excitement and general happiness made him smile without quite realizing why he was. That was curious, indeed. He would have to sit down and think it over later. One must understand their emotions and reactions after all.
He took her hand and shook it. "I'm Gilbert." He glanced at her bare legs for a moment quizzically before looking back up. This girl was really quite curious, and he found himself smiling again.
"I was fairly chilly, yes. That is why I have dressed as I am." He left the warming charms uncast. They were working with snowpeople. It was always a possibility that it could melt them.