That was the nature of presents. You kept them in the giver’s stead. They were a small part of that person to keep.

The Doctor: I just don’t like nastiness, and people getting away with it.Churchwell: That sounds a rather, if you forgive me, innocent view.The Doctor: That’s as may be, but I’m sticking to it.

I do think there’s always a way to put things right. If I didn’t believe that I wouldn’t get out of bed in the morning, I wouldn’t eat breakfast; I wouldn’t leave the TARDIS ever....