GUIDANCE     You don't think sad thoughts much anymore when you have engaged fully in the situations which you are going to be regretful about later, and thought them out – either beforehand, in the midst of the action, or afterward. With some life experience 'under your belt,' as we say, you 'can see it coming' and get out before the crisis or the denouement. Now you can cut your losses quickly. Thinking about the past, you reframe it as you digest it, and may have a whole different perspective...