According to Dr. Kevin Leman’s The Birth Order Book, a common but often overlooked reason many couples don’t see eye to eye is birth order. That little boy or girl that you once were, you still are.
Your birth order creates a dynamic relationship between you and your parents, and between you and your siblings. Your birth order influences how you see relationships and, therefore, your marriage.
For example, Dr. Leman says firstborns are typically:
• Reliable and conscientious.