I have absolutely discovered the secret to successful parenting (i.e., getting my kid to do what I tell him without screaming). I have learned how to motivate my youngest to behave, to work hard in school, and even, without prodding, to do his household chores. And it has nothing to do with instilling values, setting limits, patience, or even inspiring self-confidence. You see my kid loves Rocky Road ice cream, and as long as he does as he