It's like he said before: pain and pleasure are two sides of the same coin. They fit together so well, and it definitely can be fun in the bedroom. That's not the problem that he has as he focuses on a spot on the floor rather than look at Loki.

"I don't want to enjoy this. What we're doing. I want you to hurt me." Not the fun kind of pain, not a delicious bite, not fingernails dragging and digging into his skin. "Like some kind of negative association."