If you're living in the UK, the chances are you won't have heard of PTED (post-traumatic embitterment disorder). The much more well-known mental illness that's triggered by trauma is PTSD (post-traumatic stress disorder).
This is a companion discussion topic for the original article at https://patient.info/news-and-features/what-its-like-to-live-with-post-traumatic-embitterment-disorder