Savage Love Letter of the Day: Questioning Those Questionable Threesomes

by Dan Savage
I have been reading your column since I was 19. Recently turned 27. I look forward to reading it every week. With that being said let's get to it...
Just a few weeks ago I attended a party at my boyfriend's parent's house. His best friend and his best friend's girlfriend were there. They have had relationship issues the past two years. She had cheated on him. They also have a daughter together. They mentioned that both of them are having sexual relations with their neighbor, a woma