On Favours…

Favourer: There you go.
Favouree: Oh, thank you so much! Seriously, you have no idea how appreciative I am.
Favourer: Go on then.
Favouree: Sorry?
Favourer: I don’t like my own ignorance. How appreciative are you?
Favouree: Er…
Favourer: I’m not asking for recompense or anything. It was a gift from me to you. It cost me [...]