High testosterone individuals tend to pair with high estrogen individuals, establishing a balance in decision-making dynamics.

“And the people they tend to push are the people that they pair up with, which are the people in the estrogen category, what she called high estrogen. Again, they didn't measure estrogen, but the people in the estrogen category were the ones that described themselves and their choices in life and their preferences as being nurturing. They actually seem to like it when someone else is making the major decisions, not every decision. They certainly like to be heard, of course, in terms of their preferences. But that those two types, what she called the testosterone and the estrogen type tend to pair up.”