Past Prediction

Does the past predict the future? It does unless changes are made. There is a family that we see at the pool every year. We call them "the entertainment". They are funny but not in a good way. The family dynamic is not healthy and has not changed since we met them. As soon as they walk in, we sit down and get ready for the show. There will be complaining, yelling, and nasty remarks towards each other. Then a minute later they are even keel. It is like a thriller movie. It is almost exhausting to watch, but you want to see it again next week. The woman knows she is acting poorly and tells me she will change but she never does. They must be getting something positive out of their constant battles or they would have ended it years ago.