There's a very good article/interview in the Guardian today about Chris Kirkland. "I couldn't wait to go to bed, and then I didn't want to wake up in the morning."
I guess it helps illustrate that, if you have tendencies towards mental health problems, the possibly turbulent and uncertain nature...
I had a cousin who took his own life about 10 years ago. We think now that he was an undiagnosed manic depressive.
I had an interesting conversation around that time with someone who works locally for a mental health charity. He actually said that, on occasion, people will make the decision...