I am in the last few months of my 20s, and I would say that I have suicide as my ultimate end of life plan. It's not a financial thing - I am generally quite f

I am in the last few months of my 20s, and I would say that I have suicide as my ultimate end of life plan. It's not a financial thing - I am generally quite frugal, have built up decent investments, and don't think I'll ever have to worry about food/shelter/etc. I am citizen of a country that provides free healthcare, so that's one worry off my mind as well. But the past year or so, I have seen my 93 year old grandmother slowly lose all of her mental capacities and with it any trace of a personality. Her life now is spent in a barely conscious/awake state, and she can't even recognize those who gave her the most joy when she was younger. Who would want 5, 10, 15 years of this? Of course I'd rather die peacefully in my sleep after a long day filled with things I loved doing, but that's not the case for many. Medical science has advanced to the point where we can take care of the human body way beyond what the human mind can follow. In the years after my grandfather's death, while my grandmother's mental decline was beginning and she slowly became aware of it, she said that her only wish was that God would take her then. She lives in a country where legal assisted suicide is not a thing. If I ever find myself in a similar situation (something not unlikely - people in my Mediterranean family tend to live well into their 80s and 90s), I hope I have the clarity of mind to end it on my own terms.