In displaying the psychology of your characters, minute particulars are essential. God save us from vague generalizations! Be sure not to discuss your hero's state of mind. Make it clear from his actions. Nor is it necessary to portray many main characters. Let two people be the center of gravity in your story: he and she.
Anton ChekhovI've never been in love. I've dreamt of it day and night, but my heart is like a fine piano no one can play because the key is lost.
Anton ChekhovThe problem is that we attempt to solve the simplest questions cleverly, thereby rendering them unusually complex. One should seekthe simple solution.
Anton Chekhov