Translation of Nervenarzt

It actually happened to my cousin's youngest kid. He was repeatedly warned not to smoke in the courtyard of the school. At the end he found himself expelled from the school. It could have been an interesting experience for him though.
I had a few problems with my Mac. I guess I will have to buy a new one in the near future. I have already found the right product, and I will soon order it from the local hardware dealer.
I wanted to know more about your job offer and if I have a chance to get it. And if my application is accepted, I would like to know more about the duration of the project. I believe in it very much.