In order to defend myself against impulsive thoughts I've had to dig deep and discover purpose which made sense to me. In my case that is a duality of contributing to mankind however I can, and devoting substantial time to enjoy the contributions made by others. Slowly synthesizing and contributing to what it means to be human. Learning how to love and appreciate everything just on the merit of its existence. It's not enough to accept life, I have to refuse to die, and mount evidence against the utility of a premature death.
What convinced you that suicide was the right option a decade ago? A specific event? Is there something you want from life which you aren't finding or receiving? Or is there an inability to connect in an emotionally positive way with your experience? Or something else?