There was still a slight smile on his lips as Audrey responded. When she dipped her head, he angled his in an attempt to keep eye contact- he liked eye contact when he was talking. Not for any other reason aside from the connection he felt it gave the two people. That and girls usually liked him looking up and not down-he had finally learned that rule of thumb.
In an attempt to get more comfortable, he rested his arms on the back of the couch, one spreading to the edge and the other placed behind the fellow Gryffindor. The mention of the text book made Charlie straighten up slightly.
"Did I interrupt you, if I did I could just sit here quietly or something," he replied.