He happily lets her lead him, offering his arm to let her do it.

“You’re welcome,” he replied with a grin. Really - he has a bit of a stupid streak that means he’ll do it for a lot of people. Not everyone. Some people deserve a blaster bolt through the skull, and he’ll take a sand worm in the meantime. But Clara is definitely one of the Good Ones, as far as he’s concerned, so he’s more than likely to keep doing stupid things on her behalf.

Besides, if she keeps smiling at him like that when she does it, it doesn’t even feel like altruism.

“You don’t need to thank me,” he replies cheerfully, despite the way his suit is currently whisking all the sweat off his skin from the running. “Happy to do it.”