"Oh, I know that." If he didn't before Lily he certainly learned. Even before her big reveal it was a mistake because he loved them both. "But through all history it's never made much difference."

Maybe he's too earnest really. But he so doesn't want anything to be a mistake. And he wants her to know how sorry he is, too.

But at least it gives him the boldness to take another kiss. Not entirely innocent, but not quite so heated as the last either.