[s_y_n_t_a_x]

That situation is an extreme hypothetical and I'd probably take the experimental treatment along with painkillers/cannabis if there's any miserable side-effects. It depends on the person and their tolerance, I'd assume most people would prefer to live and be with their loved-ones. Humans are pretty resilient and they adapt. Nothing is stopping a person from committing suicide on their own if they aren't able to cope in the future.