I swear it has to be nature that is stronger. I raised five kids. They are not genetically related. The first three were raised by me and first hub, who was a pretty uninvolved father (I DO THINK NURTURE IS PART OF IT). MY youngest two were raised in a very stable loving home by myself and current husband and husband was very involved father. Still, all my kids were basically raised the same, in a loving, laid back, mother involved family and were taught kindness and compassion. These traits were stressed Bart really has neither trait and even declares his imported (his word) siblings are not his real siblings. He never shows empathy for anyone but himself. Today somebody who knows sweet Sonic well (this young autistic adult son has a heart of gold)....well, this man who works with Sonic told me that if anyone bullies one of the disabled residents, Sonic, who is so shy, is right there facing the bully strong and heatedly defending the victim. I told Sonic how proud of him I was Jumper and Princess are very different in their temperament and likes and strengths but they are very compassionate too. There are some very self centered heartless people in my DNA. He is so like my father. This puzzling faCT makes me feel more strongly about nature being the biggest part of our adult children's personalities. What do you think? What is stronger, nature or nurture? Not even sure anyone else is even interested in discussing it, but I'll see.