No, the Universe is the juice you can drink after having the donut.
Actually, not the juice - only the bottle. The Klein bottle.
No, it is a non-orientable surface. And there is a hole, indeed, but there’s no chocolate coating. It’s a bottle.
They say a non-orientable Klein-bottle hole is also a perfectly valid solution to the Einstein equations.
Yeah, me too. What difference did it make for the dinosaurs whether the Universe had a flat curvature or not when the Chicxulub asteroid plunged into Earth’s crust?