Yes... And, as I recall, you have reservations on the subject. Something about feeding distresses you. [There's a note of something in Diavolo's voice as he says it. Sympathy? Pity? Concern?]

Tell me — how often do you need to consume souls to thrive?

[A waitress, here to ask the new arrival what he'd like to have, stills at the bluntness of the question. Diavolo pays her no mind.]