Hellomum
I am sure you and your wife have a good time, and I am happy for you...
But: there is a question coming to me when reading...are you homo? Or at least Bi?
I mean, I was a cuck for my ex-wife and now a wannabe for my wife. There is a lot of horney feelings and good sex around all this. But honestly: to eat cum and suck cocks has very little to do cuckolding with in my opinion...
As your relation develops, why not be honest about it and get in men that you both can fuck? If you are bi, why not admit it and live it all out?
Or why don't you ask your wife if it's ok for her that you have (male) lovers too?
Maybe her inner dream is to suck cum out of your ass? (who knows...?)

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A cuck to my GF - A bull to all other women