brokensymmetry
ground state
I can see how that would make you feel, and to be honest, at the beginning of us being poly, I felt that way. It was incredibly hard to wrap my head around and I didn't understand how my husband having a girlfriend wasn't taking away from us.
Do you not think that poly people have this ultimate loyalty that you and your wife have?
What do you mean lost?
I don't think poly people could have the ultimate loyalty that you could get in an ideal monogamist situation. That being said, I realize that few relationships are close to the ideal and it may be that there is more loyalty between people in a polyamorist situation than in a given monogamist situation, but if you are comparing in principle two ideal situations, no, I don't think it is possible. This is one thing that is lost if people decide to go the polyamorist way. Other things are lost if you are on the monogamist side, such as, the excitement and interest that might be gained from having new love interests etc.