The best long term partner should be bi.

I am in such a relationship. When I or she turns to look at another person's body we share the fantasy and no one gets jealous.

 

I'm envious

 

You don't have to be bi-sexual to enjoy another persons body or know your SO is liking what they see. We always comment to each other someone we see that is very attractive visually. She see a shirtless man jogging along the sidewalk and points him out to me. He's buff and she notices. I agree he can be out in public, shirtless, and not be embarrassed by his appearance. I don't want to fuck him but know what it takes to be able to look that way. It's that we are very secure in our relationship there is no room for jealousy.

 

Umm, congratulations? But if sexual preference is all you look for in a partner,.. it won't be a long-term partner. Really don't want my guy checking out other men.