Don't cancel plans with friends just because he called last minute.

Research indicates that while romantic love is a factor, men often marry based on a logical "relationship ROI" (Return on Investment). This report examines four key pillars: the accessibility of marital advice (PDF resources), economic stability (Work), daily compatibility (Lifestyle), and shared leisure (Entertainment).

The modern workplace has reshaped male identity. The era of the sole breadwinner is fading. Today, men marry when work-life dynamics align:

The book’s climax answers the title question. Argov claims men do not marry the woman who does the most for them. They marry the woman they cannot live without.