There was an innocence between a seventh year and first year - and a clear goal to comfort and need to be comforted. This was, after all, a difficult time - scary and unsettling.
"I should have been sorted here, but wasn't." He shrugged. He was as okay here as he was anywhere... "And Sera is here, so it is not as strange as had I been saddled in Gryffindor for the night."