[Doof continues on for a few moments, fingers still curled in the cup-holding position, before he realizes that his coffee is gone. When the realization hits, he starts to exclaim and protest... but stops.

And he returns to the coffee machine to pour himself another cup.]

I generally bring the cup to my lips, and then I blow on it, and then I tip some into my mouth.

[Several packets of sugar are measured into the fresh one, and stirred in vigorously.]

I am surprised! A cultured, sushi-eating experience-seeking young man as yourself has no taste for coffee?

[He's being so unctuous that it probably comes across as sarcastic.]