He didn't know why she was so opposed to it - he wouldn't mind if she did; really. He knew she didn't mean to; it would heal and he would forgive her for it.
He wanted to do more for her but she wouldn't let him.
"I don't know where you got that idea from, Fetish," he replied quietly. He liked being with her - he just never really thought about sleeping with her.
"I don't think I'm into BDSM. Maybe I know more about it than other people but it doesn't mean anything. You're not bad - you're good. You're too good for me."
He didn't want to think of her as just another person he's fucked and discard her like all the rest, like he did with the mortals. She had a special place in him and that's why he didn't want to, or at least didn't want to push her to sleep with him.
"Besides, if we're both masochists, we won't have fun in bed, right?"