I don't get dual relationships (duality)

[consentingadult]

yes, a person with a disorder is by definition almost non-human. they can only screw you up. I've dated a borderline esfp, completely useless relationship.

I've dated a bordeline SLE once. Now I can't go back...

https://youtu.be/3dGhsRsHXP8?t=4m21s