The central "why was the fired at 3 months?" answer might be towards the end: "I know I was not up to their standards because I did not have a good handle on how to manage my mind and I had never worked as part of a team."
It looks like it's all the way through. Undiagnosed bipolar without good coping mechanisms. It's hard to learn how to handle those swings when the disorder has your brain so scattered that you don't even realize something is wrong. Glad he got diagnosed and hope he's doing better now.
The central "why was the fired at 3 months?" answer might be towards the end: "I know I was not up to their standards because I did not have a good handle on how to manage my mind and I had never worked as part of a team."