However, further research has shown that it is the normal condition for humans and for most other mammals. It seems pretty clear why this is the case for most mammals and for most human beings.
“In other times, I could stand here and give this kind of exposition on the beliefs of the Democratic Party and that would be enough. But today that is not enough. People want more.”
“I love my mother dearly, but it wouldn't be suitable for me to live with her all the time.”