Imagine: You’re a young man living 10,000 years ago… in a tribe with 50 others. In your tribe, there is a dominant, charismatic, powerful male leader. You admire and respect him, but also fear him. Every time you see him, you avert your gaze to avoid direct eye contact. Lately, you’ve noticed that you’re thinking more and more about becoming a leader yourself. You can imagine being admired by others and being the one to lead the hunts for food. You’ve also noticed that your temper and emotions are becoming harder to control. Something seems to be happening inside of you that is making you more and more irritable. You’ve also noticed hair growing on your face and muscles growing on your body…