What if the cause is in biology? You will miss it that way. Bear in mind that we are like we are because of our genes. You are not blonde or brunette because so

What if the cause is in biology? You will miss it that way. Bear in mind that we are like we are because of our genes. You are not blonde or brunette because something your mother ate or you did in another past life. Genes also impact in intelligence and skills. The environment is another factor but the base is set by genes.