Give it a few years, put a few drinks in him, and then give him a shake, and there was a good chance that he would do something he would regret with Lucy. But that wasn't the issue now nor did he ever think it would ever be in the future. She was, simply enough, the little sister that he never had.
She had fallen into that role unexpectedly for him, but he had embraced it because it made sense then and it still did now.
"I bow to your superior open-mindedness," he said with a smirk, angling his head down in a sort of bow. "All hail Lucy the Understanding."