First you must let the hunger build up. The Hunter must fill all of his senses but taste before letting the hunger overtake him fully and devouring his prey.

I have invited you into my home and this is how you repay me!? Sit, now. I will deal with you later assuming I don't kill you for entertainment during the feast.

QUIET!  If we are to escape we need a distraction! Quickly embrace your meal! Don't argue move! Flee to the safe house through here!