You shouldn't pry into someone's sex life.
Joe and Joanna are coworkers eating lunch together at a restaurant.
Joe wants to have a conversation over lunch with Joanna.
Joe asks Joanna if she has any books she'd recommend to him?
Joe asks Joanna how many people she's slept with so far.
Joanna enthusiastically relates to Joe some of her favorite books.
Joanna is very offended and doesn't eat lunch with Joe ever again.