There's definitely evidence that capitalism at its most ruthless rewards psychopathic behavior. When you look at the worst corners of the American health insurance industry or the sub-prime banking market, it really feels like the more psychopathically someone behaves, the more it's rewarded.

Of course there are people who would like to eat breakfast without the screams of toddlers all around them, but those people should get over themselves and stop being stuck up and idiotic.

Friends are the fruitcake of life - some nutty, some soaked in alcohol, some sweet.

It is an awful lot harder, Tony told me, to convince people you're sane than it is to convince them you're crazy.

Sometimes labeling is only useful, like with OCD. Once you're labeled you can be treated. On other occasions labeling leads to tyranny, like with childhood bipolar disorder in the U.S.

At the end of our conversation she (Martha Stout) turned to address you, the reader. She said if you're beginning to feel worried that you may be a psychopath, if you recognize some of those traits in yourself, if you're feeling a creeping anxiety about it, that means you are not one.

Ever since I learnt about confirmation bias I've started seeing it everywhere.