You want to try and bring a character to life in an honest a way as you possibly can. It doesn't matter whether he's a doctor an actor a car salesman or a captain of a starship. If you can bring truth and honesty to that character then your audience will believe you.
It's your outlook on life that counts. If you take yourself lightly and don't take yourself too seriously pretty soon you can find the humor in our everyday lives. And sometimes it can be a lifesaver.
