There's a way she has of just appearing; while his concentration was divided, missing the blur that preceded her was fairly easy. One moment the foundry had been his alone and the next, without warning, Barry is standing off to the side, eyeing the holiday decor suspiciously. "Mmm," the sound comes out as more of a grunt; his gaze is torn away from the computer screen, focusing on her, and only through practiced efforts was he able to keep any surprise from registering onto his expression. "I didn't," his words are a little exasperated; Christmas had little meaning to him lately, the season served as a reminder to what was lost, and an anniversary of when Damien Darhk attacked. "Not my idea," pushing away from the chair, he rose to his feet, not really looking away from her while doing so.

"Curtis or Felicity must have put it up." His error in not noticing before; that was the price you paid for the pinpoint like focus that applied to the way he spent his nights. Maybe some of the grumpiness was an act, because as he stepped forward, his eyebrows lifted. "You are standing underneath it, though."