When I was a teenager, I dated a guy who later turned out to be suffering from BPD. We dated on-and-off for 5 years until I finally got away from him (which involved moving away and keeping my new location secret from all mutual friends).
That was eight years ago. I've since had two happy, healthy long term relationships; I have a job I love; I have new friends who don't even know he exists; etc. He still sends me several lengthy emails a year, and he occasionally shows up on my parents' doorstep to try to "make amends" or whatever nonsense. Apart from that, though, I basically don't think about him very much anymore.
Yesterday, I found out that he's been arrested for raping a very youn