Do you tend to see events in your life on the dark side? If your friend did not call, it’s because he hates you (and not because he plans to call tomorrow). If you have no job, it’s because your skills are not good enough (and not because we are in the middle of an economic crisis). If you don’t speak a second language, it’s because you are stupid (and not because you never actually learned another language). This type of unverified, negative interpretation of events is a hallmark of depression. It’s sad, because it is a consequence of being unwell,...