Originally Posted by korindino
I second Redpepper.
I'm curious if anyone here has been in the kind of relationship OP diagrammed.
This pretty much describes us at this point. Arwen is bisexual and she and I have been intimate though I do not consider myself bisexual (I have feelings about what that means). The guys are strictly hetero though there have been MFM threesomes. But mostly these days we are as your diagram described.