I know someone who carries more than 70 years worth of heavy emotional baggage around with him all the time. Slights he suffered, wrongs that were done to him, misunderstandings, poor decisions. . . he never lets go of anything. Being around someone like that is exhausting, and I can't even imagine what it's like to be inside his head. Eventually all that emotional baggage takes a physical toll. Some people can't sleep because their minds are racing, racing, racing all the time. They can't …