As far as sex was concerned, Julia was no prude and there was little she hadn't tried in her time. The recollection of her erotic adventures unavoidably brought to mind her older sister, Jennifer. Julia briefly considered giving her big sis a call to talk about her doubts and fantasies, but she quickly reconsidered. If Julia was liberated when it came to sex, Jenny was an absolute demoness. Julia rolled her eyes as she played out in her mind their hypothetical conversation about Mike, knowing very well that her foxy older sister would tell her to just go for it, son or no son.

It was Jennifer who had introduced...