You have also had countless family members in your family tree that didn't reproduce. (Not your direct ancestors of course, but their family members.) Choosing

You have also had countless family members in your family tree that didn't reproduce. (Not your direct ancestors of course, but their family members.) Choosing not to reproduce is also a perfectly valid and natural choice. Not arguing for whether you should or shouldn't, but the fact that your direct ancestors did shouldn't be the reason that you do.