Men with higher levels of testosterone tend to devote more energy to keeping their romantic partners faithful and in a relationship with them. The study, published in the journal Physiology & Behavior, examined what is known as mate retention behavior.

Men with higher levels of testosterone tend to devote more energy to keeping their romantic partners faithful and in a relationship with them. The study, published in the journal Physiology & Behavior, examined what is known as mate retention behavior.

febrero 27, 2018

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