Negative emotions do us a great favor—they save us from ourselves. They're signals urging us to change what we're doing— and they're actually necessary for feeling good By Matthew Hutson, published on Psychology Today on January 6, 2015 - last reviewed January 28, 2015 "Emotions are complicated and like most things an excess of something can be harmful! If we were always happy then maybe we would miss out on truly appreciating life. This article looks at a series of negative