That set some tension into Bucky's jaw, but he pulled out the carafe and topped off Tony's mug. "I'm not the Winter Solder," he says, firm but not angry. "And I'd like very much to keep it that way," he eats another bite of mooncake, so he won't be tempted to pout.

He shrugs his shoulders a little. "Is there really a difference?" Wasn't a lab just another kind of workspace? "You should paint all the doors, share the privacy," he could think of a couple people he wouldn't mind meeting in such a convenient location.