In the space of 24 hours I have been exposed to both of these stories. Their similarities are striking, as well as their differences. Please do not simplify. I do not advocate or admonish, but reading these words so close together has had an impact upon me and I feel the need to transmit that in some form.
These are the words of Mark Flaherty. He dealt with suicidal pain and emptiness through ayahuasca and a spiritual tranformation: http://www.realitysandwich.com/underneath_it_all
These are the words of Bill Zeller. He could not deal with the horrible pain that he had been subjected to and recently committed suicide: http://gizmodo.com/5726667/the-agonizing-last-words-of-bill-zeller