Nearly 170 years ago, Darwin introduced the story of evolution. Darwinian evolution explains the small differences within the same type of individuals and how this variation creates competition for the best to survive and pass on the best genes (1). Now, 170 years later, Darwinian evolution still prevails, even in the household of every family.
It is no surprise to see siblings in argument, especially because of clashing personalities. But why is the fighting so common? Is it only due to differences in personalities? Or could this fight actually be Darwinian evolution in the works? Could this fight be a form of competition to seek superiority?