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But, providing a shape to something gives it boundaries and thus sets limits.

But as said anything is possible because everything is based on observation and current knowledge. Once Earth was considered flat, but later we got to know that it is round, even later on it was discovered that it is not fully round, it's oblate ellipsoid.

And yes multiple possibilities are possible if we consider multiverse theory to be true.

I actually provided proof of multiverse theory by simple understanding how time works. so of course it is true.

Life fascinates me :)