[He blinks for a second, as though not sure he heard right, before breaking back into a big smile.]

Now that's way outside your wheelhouse! ♪

[He resumes painting her face with the primer.]

Pity that the casting choice wasn't made earlier. Then we could've gone on a luxury tour and practiced acting as "spoiled" as possible. But since there's no time for that, perhaps it'll help you to think of it like work.