The glad game of Pollyanna teach to think in a positive light Is that we can find a reason to show why it's good. Because of all the events that happen to us, it must be one that provides benefits to us. Though it are much worse.
At least it gives the experience and lessons that will allow us to not make a mistake though, again. We should be delighted with all matters that come to life. Because sadness passing what we don't. But glad to help us, then we would be happy to more easily.