"I suppose I think it's many things," Susan says then. Even with all the vagaries of their relationship, she can't possibly tell Lancelot's son that for her, the specifics of her partners have rarely been a consideration. "I like to feel good, and I like to be good at things. I'm quite good at sex and it's generally jolly pleasurable. Sometimes it affords me a measure of power, in ways I can't otherwise reliably hold. I believe perhaps it might also be a way of getting to know yourself, as well." She pauses there and tests her tea.