In this chapter I learned the importance of nature and nurture. I thought that personality was something that was affected by the nurture aspect, but surprisingly I was wrong. Our parents can influence our manners and political and religious beliefs, but our personalities are one thing they cannot control.
The videos talked about evolutionary psychology and natural selection. Evolutionary psychology and natural selection explains why animals and humans mate the way they do. Males search for healthy, fertile-appearing partners while women search for men with resources to help support their offspring. This information wasn’t really surprising, but it does make a lot of sense and applies to real life for nearly all of us.
I also learned more about the differences between fraternal and identical twins. (I didn’t know that Mary Kate and Ashley Olsen weren’t identical). I thought it was interesting that even separated twins can end up with very similar personality traits, and that identical twins in general are usually more alike than fraternal twins. I thought it was creepy that the twin brothers in the book shared the same name, habits, health issues, and pet name. Of course not all cases are extreme as this one, but it’s still really interesting to think about!
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