Both. Responding with kindness.

I wonder if we do ever create some form of immortality, if we discover that the human psyche has some kind of 'wall' where a person just doesn't want to live anymore. Not due to health or personal life issues, just that there is a time limit on sanity that we don't know about.

You may achieve biologic immortality, but you will still age mentally, get jaded and bored. Unless someone also invents being mind wiped after so many centuries. But then you might as well just die normally again right? What is the difference between a person who has no memory of their past and a new person.

It's not a certainty. It makes sense to the "monkey chatter" in your head, but it doesn't make sense from an evolutionary psychology point of view. The individual has no real value to the genetic processes that drive us. Individuals that hang around too long are detrimental to those genetic processes. There are biological reasons that suicide and "going off to die" is so common not only among humans, but many other animals. Outside of our ego, which contributes so strongly to our monkey chatter but less strongly to our actual behaviours, we don't really want to live forever.

Even from a technical point of view, it flies in the face of every assumption life is built upon. Death is essential to every biological process that spans organisms. We would have to create an inhuman thing outside of biology that is neither alive nor dead. It is debatable whether that is an extension of life rather than a transformation into something else, still destroying the old thing.

I'll give you the 'had' since it's been a long time since I've seen stand by me and you're probably correct. But his more recent stuff I think we might disagree on.