[Sulu grinned back until he heard the door open, then he was looking over to see Jim giving that... deadpan kind of look at them. He furrowed his brow in an attempt to figure out what the problem was, not... really remembering that they were basically in bed together and McCoy was you know, touching him.] Captain?

[It was just not clicking for him. He beamed.] Hello~! Did you come to drink with us?