[RedMonqey]

more often the spouse is another (active or former ) porn actor, stripper, or prostitute.

Probably right.

Still don't understand knowing somebody else is "with" your spouse and being "good" with it..

Maybe I'm "insecure" in my masculinity....

Or just raised in a good household with loving parents.

[Rastus]

Still don't understand knowing somebody else is "with" your spouse and being "good" with it..

It goes against every norm of society. How many murders have been committed because of adultery? How many tv shows and movies are about the consequences of cheating?