committed relationship(между партнёрами: He said that the highest levels of testosterone are found in single men, followed by men in a committed relationship, then married men without children, while married men with children had the lowest testosterone levels. This, he claimed, was because love hormones trigger more estrogen production in men; which, he said, is why it's important for men to find time alone to recharge. (coasttocoastam.com)ART Vancouver)