I think Corkscrew does, because he's usually not very friendly with me. He's a very social cat, but he doesn't like it when I pet him. But when I'm sad he'll climb on the bed with me and instead of going to the foot of the bed as normal he'll come right up to me and plop his head on my shoulder. And when I get really sick he's so cute because he'll even let me put my arm around him and cuddle him.