"Thank you for coming over on such short notice Jessica. I didn't expect to be called into work tonight.", I say apologetically. Jessica is our babysitter. She's the best in the neighborhood, my son adores her. She is 18 years old, and about to graduate high school. With her light brown hair and dark brown eyes, she says with a smile, "Oh, Mrs. Sheffield, no worries. I am always up to look aft...