"That's what I've heard," Meredith agrees. "Even from Izzie." Maybe it's for the best Izzie's not here after all; it saves her from coming home to drown in tinsel. "I'm a little lacking in spirit, but we'll manage somehow." That she kisses him then isn't so much an indication of intent as to how they'll manage, though, as it is that he's there and smirking like that and she can. It's not a novelty anymore, but there's still a certain appeal.