Is this a necessary corrective for all the positive thinking publicity of recent decades? Should we experience negative emotions? Will we become stronger people by experiencing both positive and negative emotions? http://www.bbc.com/future/story/20160809-why-it-pays-to-be-grumpy-and-bad-tempered Why It Pays To be Grumpy And Bad-Tempered Being bad-tempered and pessimistic helps you to earn more, live longer and enjoy a healthier marriage. Its almost enough to put a smile on the dourest of faces. By Zaria Gorvett 10 August 2016 On stage hes a loveable, floppy-haired prince charming. Off camera well lets just say he needs a lot of personal space. He hates being a celebrity. He resents being an actor. To his ex-girlfriend Elizabeth Hurley's friends he was apparently known as Grumpelstiltskin. Hugh Grant may be famed for being moody and a little challenging to work with. But could a grumpy attitude be the secret to his success? The pressure to be positive has never been greater. Cultural forces have whipped up a frenzied pursuit of happiness, spawning billion-dollar book sales, a cottage industry in self-help and plastering inspirational quotes all over the internet. Now you can hire a happiness expert, undertake training in mindfulness, or seek inner satisfaction via an app. The US army currently trains its soldiers over a million people in positive psychology and optimism is taught in UK schools. Meanwhile the happiness index has become an indicator of national wellbeing to rival GDP. The truth is, pondering the worst has some clear advantages. Cranks may be superior negotiators, more discerning decision-makers and cut their risk of having a heart attack. Cynics can expect more stable marriages, higher earnings and longer lives though, of course, theyll anticipate the opposite. Good moods on the other hand come with substantial risks sapping your drive, dimming attention to detail and making you simultaneously gullible and selfish. Positivity is also known to encourage binge drinking, overeating and unsafe sex. (Credit: Rex Features) Hugh Grant apparently hates every film hes been in, even though theyve made him $80m (Credit: Rex Features) At the centre of it all is the notion our feelings are adaptive: anger, sadness and pessimism arent divine cruelty or sheer random bad luck they evolved to serve useful functions and help us thrive. Take anger. From Newtons obsessive grudges to Beethovens tantrums which sometimes came to blows it seems as though visionary geniuses often come with extremely short tempers. There are plenty of examples to be found in Silicon Valley. Amazon founder Jeff Bezos is famed for his angry outbursts and insults (such as Im sorry, did I take my stupid pills today?) yet they havent stopped him building a $300 billion company. For years, the link remained a mystery. Then in 2009 Matthijs Baas from the University of Amsterdam decided to investigate. He recruited a group of willing students and set to work making them angry in the name of science. Half the students were asked to recall something which had irritated them and write a short essay about it. This made them a bit angrier, though they werent quite driven to full-blown fits of rage, he says. The other half of the group were made to feel sad. Next the two teams were pitched against each other in a game designed to test their creativity. They had 16 minutes to think of as many ways as possible to improve education at the psychology department. As Baas expected, the angry team produced more ideas at least to begin with. Their contributions were also more original, repeated by less than 1% of the studys participants. (Credit: Getty Images) Amazon CEO Jeff Bezos has a large repertoire of signature insults, such as if I hear that idea again, Im gonna have to kill myself (Credit: Getty Images) Anger really prepares the body to mobilise resources Crucially, angry volunteers were better at moments of haphazard innovation, or so-called unstructured thinking. Lets say youre challenged to think about possible uses for a brick. While a systematic thinker might suggest ten different kinds of building, it takes a less structured approach to invent a new use altogether, such as turning it into a weapon. In essence, creativity is down to how easily your mind is diverted from one thought path and onto another. In a situation requiring fight or flight, its easy to see how turning into a literal mad genius could be life-saving. Anger really prepares the body to mobilise resources it tells you that the situation youre in is bad and gives you an energetic boost to get you out of it, says Baas. To understand how this works, first we need to get to grips with whats going on in the brain. Like most emotions, anger begins in the amygdala, an almond-shaped structure responsible for detecting threats to our well-being. Its extremely efficient raising the alarm long before the peril enters your conscious awareness. Then its up to chemical signals in the brain to get you riled up. As the brain is flooded with adrenaline it initiates a burst of impassioned, energetic fury which lasts for several minutes. Breathing and heart rate accelerate and blood pressure skyrockets. Blood rushes into the extremities, leading to the distinctive red face and throbbing forehead veins people get when theyre annoyed. Though its thought to have evolved primarily to prepare the body for physical aggression, this physiological response is known to have other benefits, boosting motivation and giving people the gall to take mental risks. (Credit: Shizhao/Wikimedia Commons) Beethoven was easily frustrated and would throw objects at his servants (Credit: Shizhao/Wikimedia Commons) All these physiological changes are extremely helpful as long as you get a chance to vent your anger by wrestling a lion or screaming at co-workers. Sure, you might alienate a few people, but afterwards your blood pressure should go back to normal. Avoiding grumpiness has more serious consequences. The notion that repressed feelings can be bad for your health is ancient. The Greek philosopher Aristotle was a firm believer in catharsis (he invented the modern meaning of the word); viewing tragic plays, he conjectured, allowed punters to experience anger, sadness and guilt in a controlled environment. By getting it all out in the open, they could purge themselves of these feelings all in one go. His philosophy was later adopted by Sigmund Freud, who instead championed the cathartic benefits of the therapists couch. Then in 2010 a team of scientists decided to take a look. They surveyed a group of 644 patients with coronary artery disease to determine their levels of anger, suppressed anger and tendency to experience distress, and followed them for between five and ten years to see what happened next. Over the course of the study, 20% experienced a major cardiac event and 9% percent died. Initially it looked like both anger and suppressed anger increased the likelihood of having a heart attack. But after controlling for other factors, the researchers realised anger had no impact while suppressing it increased the chances of having a heart attack by nearly three-fold. Its still not known exactly why this occurs, but other studies have shown that suppressing anger can lead to chronic high blood pressure. And not all benefits are physical: anger can help with negotiating, too. A major flashpoint for aggression is the discovery that someone does not value your interests highly enough. It involves inflicting costs the threat of physical violence and withdrawing benefits loyalty, friendship, or money to help them see their mistake. Support for this theory comes from the faces we pull when angry. Research suggests they arent arbitrary movements at all, but specifically aimed at increasing our physical strength in the eyes of our opponent. Get it right and aggression can help you advance your interests and increase your status its just an ancient way of bargaining. In fact, scientists are increasingly recognising that grumpiness may be beneficial to the full range of social skills improving language skills, memory and making us more persuasive.