Cuckold Fetishism

I believe cuckold is pronounced like "cuckoo" the bird, then with "old" at the end.
This type of relation is usually different with just a few similarities for the reasons people have polyamorous couple relations (listed below). With cuckolding it seems that most people just enter the other person into their bed on a more temporary basis. Polyamory often picks another woman, while cuckoldism picks another man.
Most common is the man who likes to see his wife being pleasured by other men. Some times the man actually gets off by being humiliated and it is combined with BDSM. Less likely have I found the husband to be bi-sexual at all, but just likes to watch another man with his wife.
Surprisingly, I just met a couple of whom the wife could not find someone to partake. She was reasonably attractive. The only thing they might of been up against is that maybe the other man would of done it if the husband was not watching, but I am not completely sure. They have been together over a decade and appear to have started their relationship this way. I often wonder if it would work doing it later in the relationship. Personally, if I was into this I would do it only if I knew the man was already a cuckold and we both agreed, then I might consider. For some reason, I do not think I could ever do it myself, being I like to be only with one person and would think I was "cheating".....
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