Well sure, at least regarding the pain part. My preference would be massive heart attack at the peak of sex.

>then proceed to not suffer and donate the money saved to charity.

Been doing the charity thing all my adult life. Choosing when and how I die is a control of premium value, however selfish. Quantity of life doesn't interest me as much as quality of life.

I really do wish hedonism and epicureanism got more respect—after all, the greatest joys in life are often communion—sharing food, experiences, stories. Only very shallow interpretations focus on physical pleasures.