Because some androgenes (including testosterone) are performance enchancing drugs that increase your competitiveness and risk tolerance in a wide variety of ac

Because some androgenes (including testosterone) are performance enchancing drugs that increase your competitiveness and risk tolerance in a wide variety of activities but takes a toll on your body in the long run. Castrated men live longer and I think similar lifespans compared to women. This probably has evolutionary roots, as men have a much higher variability in the number of offsprings they can have, therefore great 'wins' have greater payoffs for them.