Tom Watson started out sexually servicing his mother and two sisters before he even had a girlfriend. By a quirk of circumstances, he and his girlfriend saved his middle school from an attack by some Muslim terrorists, and killed four of the terrorists in the process. Guess what: this got them thrown out of school. Eventually, those two and Tom's sister became vigilantes. Of course, for fun, there was a lot of sex.
A teenage boy whom lusts after his gorgeous, yet unattainable Mom, lives in constant frustration. At least until his Aunt comes to sleep on their couch after being released from psychiatric care. She's his Mother's identical twin sister, but unlike his real Mom, she's willing to explore his pent-up lusts.
17 year old James comes home unexpectedly and finds his mother, Lois fucking a stranger. He is angry at her betrayal of the family. Then when his father can't make their annual ski trip James and Lois end up on a weeks vacation - alone, and sparks fly.