You may have heard of the "3-6-9 rule" when it comes to the stages of a relationship. Here's what it is and how it could end up saving you time if you are with the wrong person.

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. If you’ve had challenging relationships before, past fears may ...

Being in a three-person relationship can sound like a headline to other people, but in my home it often feels wonderfully ordinary. After nearly four years together and two years sharing a place, our ...