For that project researchers asked each male partner about the amount of housework they did. They asked the men what household chores they did and whether the level of work was similar to that of their partner. The researchers looked at each partner‘s sexual satisfaction and sexual activities rates one year later._________________________在该项目中研究人员询问每个男伴侣曾做的家务以及他们所做的家务是否和另一半所做的差不多. 一年后研究人员分析了每对伴侣的的性满意度和性生活频率.____________________
