GUIDANCE   It's when your effort to be a friend - be helpful, and act on your good intentions – is consistent and persistent that it pays off royally. Ambassadors of goodwill must succeed; it's a matter of time. Keep trucking through the ups and downs, because even the straight and narrow has its twists and turns, has its ups and downs for you to go along with. You are serving your own interests when you bend over backward to be a gentleman, when you do that habitually. (No, we don't address the...