He was a little of both. Mostly just quiet. He took in his surroundings with curiosity and without judgement. It was a bit refreshing to be Wally, actually. He gave her a nod and a smile as she thanked him.
"No problem." He said, softly, then reached in for himself and tossed some more crumbs out to the ducks. It was nice to give them food, it was fun to watch them race to collect up every crumb.
Wally thought it was rather nice of her to feed the ducks that weren't quite as fast as the others.