What was the reason for Dr Phils divorce from 1st wife?

Dr. Phil McGraw's first marriage to Debbie Higgins McCall ended in divorce primarily due to differences in their lifestyles and ambitions. They married when they were quite young, and over time, their paths diverged, leading to growing tensions in the relationship. Dr. Phil has mentioned that the marriage was not a healthy fit, ultimately resulting in their separation in 1973.