When you want to touch the reader's heart, try to be colder. It gives their grief as it were, a background, against which it stands out in greater relief.
Anton ChekhovWe are accustomed to live in hopes of good weather, a good harvest, a nice love-affair, hopes of becoming rich or getting the office of chief of police, but I've never noticed anyone hoping to get wiser. We say to ourselves: it'll be better under a new tsar, and in two hundred years it'll still be better, and nobody tries to make this good time come tomorrow. On the whole, life gets more and more complex every day and moves on its own sweet will, and people get more and more stupid, and get isolated from life in ever-increasing numbers.
Anton ChekhovIn 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 Chekhov