Is There a Multi Verse?

One universe ays, sometimes it does not go back, comes up as a little bubble from that and then expands into this particular universe. Fine, he says, that is the cutting edge understanding of in cosmology. This is something beyond the big bank. Also, why even big bank? Because of this. But then he says, but even that, and we have no way of proving it right now, it is predicted by equations, by mathematics. Even that, why does even that exist? Yes, this universe may be part of a multi verse, but why does the multi verse exist all o? That may have originated from almost nothing, in the state of the quantem form