Thats a great question, I'm sure there were several reasons. when it happened he was sitting alone at our families house drinking, his wife had left him i believe, he'd had issues with the law, when he killed himself he was alone mostly because my family had come to see me at my graduation from ait... somepeople thought he did bad things and had a guilty conscience... but i dont know what the man was thinking, i'm sure between the cocktail of being alone, the depressant properties of liqor, past troubles, and his wife leaving him had a greatly overwhelming effect on him.
sometimes people get tired and just dont want to play the game anymore...