Cal's hand trembles as he raises the cigarette to his mouth again.

"I just . . . have to deal with it," he says quietly, after a moment.

However he can.

(Thinking isn't something he can just turn on and off. But he's trying, more desperately than he ever has before, to turn it off and leave it that way.

It hasn't worked out very well so far, but it's only been a couple of days. He just needs more time. More time and he can be as mindless as he's ever tried to be.

Maybe he'd be better at it now, if he'd ignored Sherlock and Tony in Milliways that day.)