There is still nothing more to say or do then be there and Hartley never thought of his presence as particularly worthwhile or comforting, unless the reason he was present was to use science or his powers or something along those lines. Just sitting around? He doubts it does much good. So he looks for other ways to do some good, leaving Cisco's side - if not for long - and gently placing a hand on his shoulder when he comes back.

"I have hot chocolate, if you want some." His most useful contribution right now. "It's the good stuff, I stole it from the nurses' lounge."