Actually it depends on what you think is "meaningful". It could be having children, but it also could be discovering a new vaccine, helping other people, or jus

Actually it depends on what you think is "meaningful". It could be having children, but it also could be discovering a new vaccine, helping other people, or just living a happy life without annoying anyone. In any case, even if one thinks so, I find it quite rude to say that having a kid is the most meaningful thing you can achieve to someone that may not have children ...