Guilt sheds a whole new light on an emotion we all experience . . . and try to avoid.Guilt might not feel good, but it is good for us.The human condition is one plagued by guilt. Whether you are a child or a parent, a friend or a lover, religious or atheist, you have almost certainly felt guilt at some point in your life. For some, it is a regular, even daily experience. It’s never pleasant, but it can be useful***.*** Rather than thinkin...