In my case, a second spent on this earth is a second too long. My life would have been better if it never started to begin with. Though, in the case of other people who like life more than me, they are right to not want to live through old age as it's absolutely awful and full of suffering. I believe that anybody can say that their life is complete at any point during their lifetime and it'd be valid. If they want to check out at a specific time or age, they should be allowed to peacefully