"Then I believe we have come to an agreement. How nice, to be agreeable at Christmas," he murmurs thickly, and while he could drag this joke out a little bit longer, he can't find any of it more important than giving Watson a long and studied kiss as he finishes off the last of Watson's buttons and pushes the fabric aside.

By the time he's done that, he can't think of much that would be important enough to keep him from dropping his mouth to Watson's collarbone and leaving a series of kisses along it.

"And how nice to have just what I wanted, as well," he manages finally, lifting his head to kiss Watson again.