It's involuntarily that he leans into the touch, he can't stop it, it's just a natural reaction to the comfort he gets from it. "But it's not-- some things don't matter as much in keeping the timeline in tact, they couldn't or what's the point of having the opportunity and never being able to do anything with it?" The more he talks, the faster he gets, words rushing together a bit, "What if-- what if this is one of those things? What if he could fix it and it wouldn't change anything else? I don't ask for anything, this is the only thing I have ever asked out of him and it's not fair, it's not fair, Hartley, I--"

But just as quickly as he'd gotten on a roll, he loses steam and crumbles against the other man. His fingers twist in the material of Hartley's shirt as Cisco hides his face against him. "I just want my brother back." he says in a choked mumble.