Jack is having some trouble with his wife Estelle. She wants some space.In his several centuries of marriage she is still the woman for him. Nevertheless she wants a break.It isn't like he hasn't been in this situation before. They have an understanding. They remain monogamous for their families. Their youngest daughter, now married with children of her own, has just left the solar system on the most recent generation ship and neither one of them is in the mood to raise another family.Whatever can Jack do for distraction in the year 34734?— I would say this books rates a PG 16, somewhat less than an R, for sexual content.