So I (38m) have been with my wife (35f) for 13 years and married for 5. We also have a 10yo daughter. Recently my wife expressed that she wanted to open our relationship and bring in one of her male friends. I was very hesitant due to the thought of possibly losing my wife, but my wife has been very adamant that she has no intention of leaving or looking to replace me so I agreed with an open mind. However as time has gone on I've very much come to the conclusion this is not working for me. While I have a very open non judgemental mind about non-monogomy I myself am very monogomous and have been very loyal (in a monogomous sense) throughout this entire relationship and this whole dynamic just feels like a slap in the face. I'm really at a crossroads now. I either just continue with this while in agony and hope that one day it doesn't hurt anymore or I walk away and lose this life that I have literally spent over a decade building. I feel like no matter what I do here I lose. Even if I ask her to stop this (which I won't). I'll never be able to unknow the fact that my wife wants to actually sleep with other people. If I leave I loose my house and no longer get to live under the same roof as my daughter. I still love my wife very much, but it hurts so much knowing things will never be able to go back to the way they were.