[There's a wry, knowing grin and Rose shakes her head. She might know somebody who keeps saying they don't know what they did to deserve their girlfriend...]

I'll let you in on a secret? [Leaning in a little like... it's actually a secret?!] I bet you he's the one who thinks he's the lucky one.

[Looking pleased at that.] Good. Cause if I hadn't seen him back at Vi and Luthir's wedding, I'd be starting to think he wasn't real.