Do fathers love their children less than mothers do?

…Additionally, Kohler, Behrman and Skytthe identify a substantial and significant male-female difference in the effect of children on well-being—after controlling for the effect of a current partnership. “Females derive happiness gains from children even after controlling for current partnership status. The happiness of males, however, depends primarily on partnership status; once current partnership is controlled, men’s happiness does not vary systematically with fertility.”