From reddit: Sex with my mother in law. Should I tell my wife?
"Im 33 years old, and married to my 29 year old wife for 4 years now.
For the last 2 years, we have been in an open marriage and have enjoyed sex with other partners. Our marriage is healthy and good in all other aspects.
About a year ago, my mother in law found out about the open marriage between her daughter and me. I was not there when she foun..."