Contributed by Bonnie Morano / I consider myself an open book. The secret ingredient to my zesty salad dressing is cumin. Avoiding parking tickets in NYC involves a finely worded note on the windshield. But ask me how I get my oil paint to stay so shiny when dry, I hesitate….In this social media age of oversharing, does the aura of the heroic painter today rest on magic and mystery or up front transparency?