See also: Wikipedia's article on the human molecule. Humans are kind of like molecules, even with a sprinkling of quantum metaphors. In massive numbers, atoms and people are generally predictable, but, when examined closely, individual cases disclose a limited amount of unpredictability. Free will is real, even if most people don't exercise it most of the time. Let's say it takes a free will decision to choose to do something new, while doing something habitually is just mechanical. And people are truly creatures of habit. This article is a . You can help My English Wiki by expanding it.