“Existence, the physical universe, is basically playful. There is no necessity for it whatsoever. It isn’t going anywhere. It doesn’t have a destination that it ought to arrive at.” (Alan Watts). Enjoy the short video.
In our endless quests for causes and reasons, it’s delightful to remember that however you look at it, the Universe didn’t “have to” become itself. In that sense, it is like play: Be-coming simply Be-cause. Pure delight.