Robert was tired of his wife's prudish approach to sex - he wanted more than just the obligatory missionary sex she was giving him. So when they hired Maria as their maid, he wanted to see how she "kept house"!
In your mid teens sex is normally a hazy concept although one that most kids yearn to know more about. I learned more that day than I had any expectation of doing.
Gus and Sally had always wanted children, but Sally was unable to carry one. She insists that Gus bring home another wife. Far more ambitious than a sexual threesome; plural marriage. A partnership of three. Can it work? Maybe if the sex is good enough, the love will happen naturally.
An older woman still likes sex but mostly when she gives it away instead of selling it like she has done much of her life. She reminisces about fun times in the past while enjoying them in the present. Currently a small group of teen boys were in her "stable" but she showed compassion for a needy older man as well.
A Home away from Home Story Home becomes home as the ship explores the solar system and beyond. Aliens are met, both allies and enemies, Emily showing her mastery dealing with the latter.