Bruce nearly bolts when he registers there's someone else in the kitchen, even as Steve seems keen as anything to see her. There's a vague realization of this being the girl from the potluck, but still.

"Well, see, there's someone else right here so since you're all set on company, I'm just. I'm-- I'm gonna go, thank you, bye." He keeps babbling as he attempts to nonchalantly slide his way back to the stairs.