"We are all of us made up of several people, and we contain the potential for all possible futures."
I don’t think you should spend much time being unhappy about the bad breaks. You get a lot of them, but you also get a lot of good ones. The thing to do is just to maximize your odds of using the good ones and minimizing the effects of the bad ones.
Parental investment is the key to understanding sex differences in mating strategies.