I have two granddaughters, both born and raised in the same household by the same parents and yet, they couldn’t be more different. The oldest, age 12, is clearly a Red. She is determined, confident, impatient, and more than a little bossy. Her younger sister, age 8, is as Yellow as can be. She is happy, charismatic, and, yes, sociable. I love her with all my heart, but sometimes I want to ask her to please be quiet for just a minute to give her Red grandma a little respite. But, I don’t. As Halloween approaches, all the talk is about what they “want to be” on that magical occasion. My Red invariably goes for the creepy costumes. Be