[Harkness typically likes "acting" cool and collected, but he can't help but peer interested at the Pricklemane and wonder how much it's like Donna's Pricklemane.]

Ah... well. I'm sure Donna could fit in well with the tea shop, if you don't have use of her so... [He cringes but shrugs.] I appreciate the opportunity and should probably give it a shot. [Pause.] That is assuming there's some compensation of sorts. [While he can be generous (though not as much as his Time Lord counterpart), he's got family to take care of.]