Some things simply can't be done. That doesn't necessarily mean, though, that we shouldn't try to do them. Some things are all too easy. They aren't guaranteed, though, to get us better results than the things that are difficult. Or vice versa.  If you are feeling upset about something. Or someone. It's not necessarily a current issue that's getting to you. It may well have its roots in something that happened long ago. Whatever lies behind it, here is a real chance to get on top of it, reach a better understanding and move on.