When James arrives home, Harry is there, making a very rare appearance for lunch. With Ginny out of the house, he has to cook for himself, but that's never been an issue, since he spent the better part of his childhood cooking for the Dursleys and is probably better at it than Ginny (though don't tell her he said that).

Catching sight of James, Harry lifts both brows. "...Don't tell me. You had a fight with the pond, and the pond won."

Dad humor. Yep.