It used to be the man who wanted the woman's Eight Characters, to check if she would give him a stable family and fine sons. Now times have changed, and it is the woman who wants the man's Eight Characters to see whether he is destined to succeed in life.
過去是男方要女方的八字，合合看她是否能興家益子；如今風水輪流轉，反而是女方要看看男方的八字是否有飛黃騰達之命。