I was depressed and devastated by the demise of my relationship... but I can honestly say that I don't regret now that this was the outcome.
It doesn't get more honest than this.
I knew that this family member would be diagnosed with a developmental disorder. What I didn't anticipate was what nobody wanted to talk about: how it would affect my marriage.
Identify emotions versus practical issues, and choose your language and behavior based on those classifications. Just that one step can keep you, too, from becoming a part of a statistic.