AMY: How come you can fly the TARDIS?

RIVER: Oh, I had lessons from the very best.

DOCTOR: Well, yeah.

RIVER: It's a shame you were busy that day.

“* (To Marti)* I'm sorry I took so long, because I think I'll only get one chance and I had to make sure I was right. But I wish I could have helped you. I'm so sorry.”