I thought the world had actually ended. I thought nothing good could ever happen again. I thought anything might happen if I wasn't vigilant. I didn't eat. I didn't go out. I didn't want to see anyone. But I survived, Paul. Much to my own surprise, I got through it. And life. . . well, gradually became livable again.
Testosterone is the hormone of collaboration and competition that, whenever we compete on a team, we collaborate with our teammates. And most of us in our daily life, to the extent that we have to compete with the rat race in the world out there, we're collaborating with other people at the same time. The two are hand in hand.