[He's all set to argue that yes, she would have—she's a small person, and even if she's tough, she doesn't have certain reserves of strength, and wouldn't the two of them worrying about each other have slowed them down, maybe kept them from ever reaching the abandoned town where Salim had picked him up...but then she stops, and his fear slowly begins to fall.

It'll be all right. She won't stubbornly charge forward after getting a glimpse of her own future and change everything. On the other end of this, somewhere, they'll both be alive.]

Thank you.

[He's not even sure what he's thanking her for. Listening to him now? Easing his fears? Not charging after him in Yemen, when Yemen's not even on this planet?]

I can't be Doc Brown, though. [And now it's safe to joke, putting his raw emotions away behind a cheeky smile.] I don't have a cool car like he does. Find me a DeLorean and I'll consider it.

[He's still a little rattled, though, and he doesn't want her to step away, so he takes the hand on his chest with his left one, squeezing gently.]