The Volleyball Team Kelly forgets her bikini and the husband takes her home to get it. Kelly models it for the husband and things happen between the young inexperienced girl and him that the wife would not condone.
I use my successful, patented method to seduce a 41 year old Vietnamese woman at one of my Chinese wife's Lingerie Tupperware-style auction parties. I them manipulate a sexfight between the two with surprising results.
A mature wife, happily married and already involved in swinging, along with her husband has a dalliance with another man and decides to keep it from her husband, although there is no real need. However she realises it makes her feel even more slutty and it becomes a springboard for her doing it more.