Life can get the better of us sometimes, and it often takes a pretty extreme situation to help us realize it's time to make a change.
Humans are creatures of habit; we sometimes need a different perspective or major situation to help us see our lives how they really are.
*Content Warning: this article contains mentions of suicide, substance use, and abuse*
Hindsight is 20/20, and it's really easy to see where you went wrong after the fact. Sometimes it's nice to try to save someone else from making the same mistakes you did.
Unfortunately, a lot of things don't seem like the good advice they are until after you've already messed up.