Why are men so desperate for sex yet disappear at any sign of responsibility?

Over my years, i have learned that 95 percent of all guys would say yes to unprotected sex but YET, would disappear at the sight of any responsibility for a baby if it comes up.

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I dont know if it is just me but i just find this to be deeply disturbing. Yet people act like it is an accepted norm of society
Why are men so desperate for sex yet disappear at any sign of responsibility?
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