The brain is not a bag of chemical soup, and it`s a mistake to try to treat complex psychiatric disorders just by changing the flavor of the soup.
How we behave is a balancing act between our future and present selves. In the future, we want to be fit, but in the present, we want the candy bar. In the future, we want to be a well-rounded, wellinformed intellectual virtuoso, but right now we want to watch Jersey Shore. Behavioral economists call this present bias - the gap between your preferences for your future self and your preferences in the current moment.
The human mind is not a terribly logical or consistent place.
Humans are pattern-seeking story-telling animals, and we are quite adept at telling stories about patterns, whether they exist or not.
An old joke about behaviorists is that they don't believe in beliefs, they think that nothing can think, and in their opinion nobody has opinions.
One of the surprising discoveries of modern psychology is how easy it is to be ignorant of your own ignorance.
If somebody dies, if something happens to you, there is a normal process of depression, it is part of being human, and some people view it as a learning experience.
We can`t win against obsession. They care, we don`t. They win.
There are some people you like immediately, some whom you think you might learn to like in the fullness of time, and some that you simply want to push away from you with a sharp stick.
You don`t really understand human nature unless you know why a child on a merry-go-round will wave at his parents every time around and why his parents always wave back.
When you have a thought, it is coupled with a physical change in your mind that is specific to that thought, and it has an instant gravitational ripple effect throughout the entire universe.