This article is brilliant.

http://www.elephantjournal.com/2016/10/the-2-most-common-reasons-why-people-get-divorced/

The essence of it is that most relationships end:

Because one person gets empowered and outgrows their often stuck partner.

or

Because one person was unable or unwilling to work through the baggage that their partner is triggering in them.

I’ve experienced both of these. How about you?