Saintprudence Heheh. I hope I won't let you down then.
Any good author will say it's what you never expected to learn that's more valuable, but what drew me is orgasm denial's use to drive characters.
(Like you said, "But denying orgasms? You never quite get used to that." The libido is the only primal urge that isn't to preserve your own life, and that means "what the mind wants" and "what the libido wants" are a unique and powerful way for a mind to be at war with itself. This shows up in a weaker but more socially acceptable way in stories where characters struggle with unrequited love.)
I do try to find ways to rewrite what my muse brings to remove the chastity while still preserving what makes it special, so my stories can be "respectable" and something I can be proud to associate with my penname. It does sometimes work, but it isn't always possible.
Often, what makes unwilling chastity a powerful storytelling tool and what makes it uncomfortable to society can't be separated. Anything that puts such a deep part of a character's mind under the control of another would draw the same resistance. It's just easier for people to recognize what they are seeing deep in their gut, and more versatile, because it doesn't carry other unwanted implications like the never-ending thirst of a vampire.
