The wife's name is Barb. mc is a boxer or fighter or something.
wife cheats on him with a coworker. wife works as a real estate agent. she pretty much becomes a slut to her coworker. husband finds out. lots angst. at last, he ends up with his wife's sister.
if you remember it please let me know.
if you know any other stories like that please let me know.
The other individual stories by Xalir include cheating.
Mick Writer has a similar style in his cheating stories.
https://storiesonline.net/s/20743/obtuse
RichardGerald has a series of interconnected stories. This one involves an old money cheating wife and a professor husband who is an amateur boxer.
"In the corner stands a boxer and a fighter by his trade.."
A story about a boxer, as told by his brother. No sex, but the high score hints at the quality.
https://storiesonline.net/s/15111/my-brothers-keeper
Laptopwriter's Weaver is about a boxer who abandons his career after his wife leaves him for another man. But did she?
https://storiesonline.net/s/10376/weaver-fiction-sex-story
Some trope subversion by inversion from the pen of Qhml1. She's an MMA fighter, he's an investment adviser and they get along just fine.
https://storiesonline.net/s/10387/mma-meets-mba-romantic-story
