That says more about your circle of acquaintances than about guys in general. I've been around a fair number of non monogamish folks and plenty of guys are comf

That says more about your circle of acquaintances than about guys in general. I've been around a fair number of non monogamish folks and plenty of guys are comfortable with their partners having other men and some explicitly encourage it or even find partners for them. r/Swingers and r/Cuckold and r/hotwife are huge communities.