When people are unhappy, it’s much more difficult to be around them, let alone work with them. Unhappiness drives people away, creating a vicious cycle that holds you back from achieving everything that you’re capable of.Unhappiness can catch you by surprise. So much of your happiness is determined by your habits (in thought and deed) that you have to monitor them closely to make certain that they don’t drag you down into the abyss.Some habits lead to unhappiness more than others do. You should be especially wary of the ten habits that follow as they are the worst offenders. Watch yourself carefully to make certain that these habits are not your own.