Clara knows that Wrathion and Anduin know one another, but she doesn't know anything else. She'd be delighted, if she did. She may have tucked her own heart away, but she's still a cheerleader for others finding their person. Anduin's words strike a chord, and she thinks about the Doctor, the things they've been through together. Maybe she can ask a few very specific hypotheticals. About friendship, of course.

"Does he remember everything between you? Are you from the same time, I mean. Those rocky moments and all of your favorite time spent with him."