"If it's pain you want, I can give you as much as you can handle and then some."
He inches closer still, propping himself up on an elbow as he leans in real close, only keeping enough distance so their lips don't quite touch. His free hand comes up to traipse lightly along Jack's chest, down his stomach, butterfly light touches that contrasts the topic of conversation quite nicely.
"Dru taught me everything she knew... and she was an expert."
Between her and Angelus, Spike has all the theoretical knowledge of torture both fun and awful that he could possibly need.