I see what you are trying to say. I'm not saying you are wrong, just what I think. In my opinion, 1) doesn't make sense in our current society. Nor did it make

I see what you are trying to say. I'm not saying you are wrong, just what I think. In my opinion, 1) doesn't make sense in our current society. Nor did it make sense any time before it if having less children but more successful ones didn't translate in those children themselves having more offspring than if they had had brothers. The path to reproductive success is to make sure your children reach adulthood and can have children of their own..., ideally so your descendants grow exponentially. I don't know how making sure my kid has a Playstation 3 and an HD TV guarantees that he will have more reproductive success. College you say? Any lower-middle class person can go to college, you'll just get into debt like everybody else. Besides you don't need a college degree to reproduce, how are immigrants doing it then? 2) I know that you weren't arguing for any of this, but I'd really like to see citation for this one. Maybe during a time of famine it would be true, but how exactly would I be less healthy if I had 10 siblings? 3) I don't know if they are more promiscuous or not, but they are definitely not having more children, that's the whole point of these ideas about idiocracy. I didn't cover the successful couples that don't have kids at all, which are a lot of them. Please, explain to me how that makes sense, not having children will help your reproductive success because...? How is that not a wrong move? You might think that it's the right move if having only one well provided child made sure that he went to the top of society, i.e. become a millionaire, which is very unlikely anyway for most people. If your line of descendants has just one child over a few generations, your original DNA that is in that person will be a small part of him. I think the person whose descendants had at least 3 children each generation will have a greater chance of having his genetic legacy survive even if those descendants are a little less well off, which doesn't need to be true. I would really like to believe that you are right and in fact there is something we are not seeing. But there aren't even any statistics that show that an only child will be richer or healthier in the future.