IF OCTOBER 5 IS YOUR BIRTHDAY: Hone in on what's most helpful. Your ambitions can be tweaked between now and Christmas, but you won't make your mark unless you use logic to analyze the numbers. Luck won't be a factor in any progress you make. After the first of the year, concentrate on romance and relationships, but don't mix business with pleasure. Your business smarts will fly right out the window when love or emotions are in play. Next July and August are the most favorable months for you to make crucial decisions, promises, commitments and changes.