I your boat but 4 years later
My wife and I were swingers also and met this one couple. Well let's just say it evolved organically. Today the 4 of us are together as a fourple, we now spend almost every evening and weekend together. Last night the four of us made love in the same bed (it varies). We do things quite often as cross-couples meaning my grand I couple and my wife and her bf couple. We have had many conversations about what if it failed in one half, but now I think we are well past that. I could almost write a book about everything lol. I don't want to get to long winded on your thread so if you have any questions ask away.