We could just stop having babies except deliberately to replace accidental deaths. I’d you are immortal then why worry about not having children, over a long e

We could just stop having babies except deliberately to replace accidental deaths. I’d you are immortal then why worry about not having children, over a long enough timeline eventually your turn in the queue will come. But that’s just philosophical thought. In reality, we are too far away from even living to 200 years old to start worrying about what comes after that.