How does a writer turn a leading male character into a Hero of epic proportions? The answer: LIVE WITH HIM!
This might be a good time to remind everyone that we're talking about a fictional hero, a larger-than-life leading male character that will grab the hearts of our readers.(*Smiles - I knew what you were thinking) But there is no 'hanky-panky' going on here, just everyday cohabitation of the mental kind.
You've heard the old saying, 'You never know someone until you've lived with them.' That is especially true when creating a hero, heroine, or villain. These characters are multidimensional, contradictory, lovable and detestable all at the same time. What makes them tick, what motivates them, what's there driving force, what or who are they willing to sacrifice to reach their goal? These are all questions you need to answer before writing your first word.
It won't take long before his core instincts begin to emerge, revealing his basic needs, desires, fears, virtues, and faults. Be sure to give him lots of one-on-one time in which he can share with you his most secret memories and dreams.