If you realize that all things change there is nothing you will try to hold on to. If you are not afraid of dying there is nothing you cannot achieve.
Knowing others is wisdom knowing yourself is Enlightenment.
You do have to change things as warfare changes.
Almost all the ideas we have about being a man or being a woman are so burdened with pain anxiety fear and self-doubt. For many of us the confusion around this question is excruciating.