Question

Why does the major believe that a man must not marry?

Answer 1

The major believe that a man should not places himself in a position to lose a spouse

Answer 2

The major believes that a man should not marry, because it is better for man to find something he can not lose. Getting married is just more lost. I should look for something that does not get lost. He can lose his wife. The major shares with the narrator the sad story that his wife has died.