Courtesy of testosterone, men focus their most pronounced distinguishing characteristic, physical strength, on external challenges. As adults, they've been further socialized to exercise and communicate control. If the rules change from one situation to another, they can't tell who's winning or measure accomplishments and expertise. And if they collaborate, they won't know who's strongest. Classic MTS behaviors flow from this orientation.
Thinkers dislike having to ask for help, and when asked to provide help, they feel and act superior.
Thinkers place a premium on truth and integrity, often becoming blunt or candid. They create and obey rules and punish rule breakers. They don't like situational ethics or political games. Right is right, period. Women, conversely, seek and promote safety, and are geared toward consensus and adaptiveness.