I would rather die by my own choice, once I no longer feel I contribute to the world(s) that I and my progeny inhabit. Even then, there are things I might want

I would rather die by my own choice, once I no longer feel I contribute to the world(s) that I and my progeny inhabit. Even then, there are things I might want to do -- learn languages, master calligraphy, etc. In a hypothetical diaspora of space exploration, the option to be immortal sounds like a HUGE benefit.