Starving to death is arguably torture depending on the culture you grow up in. I think I've read about Prayopavesa and I'm not sure if lighting yourself on fire

Starving to death is arguably torture depending on the culture you grow up in. I think I've read about Prayopavesa and I'm not sure if lighting yourself on fire is related but methods of that sort are not really acceptable for all types of people that would just want a drug making them fall asleep with eventually death following. Some people go their whole life without obtaining the discipline to put down the spoon. So I'm kind of wondering if some people just cannot do what you're suggesting.