There's no way he can leave it like that. Even if it wasn't Bruce that was the cause of that look, there's no way he could leave Diana looking so forlorn.

He reaches out, placing his hand on her forearm. "You have to remember that he's not just Bruce. He's Bruce who has only been doing this for two years. He is, somehow, even more socially stunted than the one we know." And Bruce, for all that he could fake it, could be very socially stunted. "But he's also the one that we all learned how to handle relationships from. Which is probably why we all run off to do something to clear our heads when something's important."