We're all predisposed to killing ourselves, it's all a matter of whether we choose to or not. A nudge here - a big shove there - and we're all ready to leap off a building or a bridge or whatever fashionable new way to kill oneself one deems appropriate; but really, it's not all about ending one's life, it's more about control than anything else - control over your final act, and control over how you can change people's lives by ending your own.