What's the craziest reason someone blew their chance at getting a job they really wanted?

Have you ever heard of someone losing a job opportunity because of something they did before the interview?
How can a person with BPD move past feeling victimized after a breakup and start recognizing their own contributions to the relationship's end?
Why might someone with BPD have trouble realizing their role in a relationship's breakdown, and what can help them gain that insight?
Have you ever witnessed someone lose a job opportunity because of something that happened outside of the office?