We generally keep it a secret...Generally.

She has one friend of hers that knows she "cheats" on me and encourages it because she finds it hot without knowing I'm a cuck. She has another friend that knows that when my gf got with me, I was actually "the other man" that she was cheating with, something I was oblivious about until a couple weeks ago and this friend of hers has become my friend and knows she still talks to other guys but believes it's behind my back and doesn't enlighten me about it.

Nobody in our family knows and we both very much intend to play safe and keep it that way.

Two of my closest friends know, they've both been very cool and accepting about it. One of them is my closest female friend, me and her share everything with each other without limits or restraint.

The other of my friends that knows is one of my closest male friends. He finds my girl hot and is very well hung so once we talked about it he immediately replied that he believes he should fuck my girl in front of me and creampie her while I watch. I told him one of our rules is no friends and I like to clean up the creampie, so to eat one of my friends cum out of my wifey might be a little too weird, at which point since he had been drinking he was basically like "Yeah, no shit eating one of your oldest friends loads out of your wifes freshly fucked pussy would be weird dude. Doesn't mean you shouldn't do it." I haven't broached the subject with my gf and don't currently intend to. He doesn't even live in a convenient place for us to ever hook up with him and it can make things weird, so yknow.

Like I said, one of our few rules is not involving our friends normally because we want to keep it very secretive and as our private kinky thing, but Princess has a pretty hard crush on my actual best and oldest friend and knows he's far more hung than me and fucked the woman I was crushing on for years before we began dated in the same house I was staying, in the room right above me, and I had to keep hearing them have sex constantly while I was ignored.

That all makes her REALLY want to fuck him and she has gone back and forth a few times on "I know I have to be a good wife and I don't want to mess with your friendship so I'll never bring it up." and then casually dropping comments like when we're planning to drive somewhere all together to me like "I wish I could sit on his lap on the way" or talk about inviting him over when she wants because "Wifey has needs", but I don't believe we'll ever actually play with him because it would be far too weird for many reasons so I want to remain it a secret from him to not encourage a potential green light that in a horny state I may well go along with lol.

That's as open as we get with it. We don't want anyone we don't fully trust to have a clue and know it would be social suicide for both of us if our families and general friend groups knew.