That night:

The son used his fleshlight ('the most lifelike substitute available anywhere for a real mouth, pussy or ass'), as he slowly pleasured himself, pondering not whether fucking his mother was possible... but rather how to make it possible. Her teasing with her stocking-clad feet had convinced him that the naughty words he had heard from outside her bedroom wasn't just role playing... it was a fantasy she was willing to make a reality. Even if she didn't quite know it yet.

The mother got ass fucked by her husband while imagining it was her much bigger son reaming her back door and pondering if she would really be...