Happiness has much less to do with the circumstances of life than you can think. A University of Illinois study found that people who earn more (more than 10 million dollars a year) are just a little happier than the average number of employees who work for them.
The circumstances of life do not have much to do with happiness, for it is under your control (that is, under the result of your habits and your vision of life). Psychologists at the University of California who study happiness found that genetics and life circumstances account for only about 50% of a person's happiness. The rest depends on each one.
When people are unhappy, it is much harder to be around them, even working with them. Unhappiness distances people, creating a vicious circle that prevents you from achieving all that you can achieve.
Unhappiness can catch you by surprise. Your happiness is determined by your habits, those you have to watch carefully to make sure they do not drag you into the abyss.
Some practices lead to unhappiness more than others. You must be careful with the following ten habits since they are the worst allies.