
As an orthodontist, Dr. Hurst needed the help of his teenage patients. Early in his career, he was searching for something that would give him an edge in understanding his patients. He tried the traditional birth order theory but found it only worked 1/3 of the time. He discovered that 2/3rds of my patients had siblings 4 or more years older or younger than themselves. This led to the discovery of Double Birth Orders in singles and groups of children in the same family—the Rosetta Stone to understand everyone.
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