Number 5 is ALIVE!
But seriously, a while back I posted about a guy who wants to love his lady but let her love others. A sort of one-sided polyamory situation, I guess? One commenter said she is, in fact, in such a situation, and I asked if she could convince her husband to respond and explain the appeal.
He did! So everyone else who was curious, go back and read the last comment. It's really interesting, and I would like to thank Anonymous Husband for taking the time to give us all some insight into that lifestyle and his through processes surrounding that choice.