Sue Gerhardt Why Love Matters. Sue Gerhardt - Why Love Matters. Author: Sue Gerhardt. She is also the author of The Selfish Society (2012). This second edition follows on from the success of the first, updating the scientific research, covering recent findings in genetics and the mind/body connection, and including a new chapter highlighting our growing understanding of the part also played by pregnancy in shaping a baby's future emotional and physical well-being.
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