If you were to describe what it means to be a man in one word, what would be and why?

"Whether it is following through on your word, setting and keeping boundaries, or sticking to your convictions when no one is looking. It is required of men to be assertive. If a man is assertive when he least feels like it, nothing can stop him; not even himself." 

Word: Assertive
Occupation: Network Engineer
Age: 29
From: Kansas City, MO