Will it expand forever? Is there an eventual wall? Is it like a pebble growing inside a basketball eventually going to hit it's limit? Doesn't science claim the big bang will eventually hit a limit then start collapsing back in which is called the big crunch? Is the universe expanding in all directions at the same rate? Is is symmetrical? Is the Flex Wheeler of universes? Are there other universes doing the same? Is Heath still 0.7 width of the average human?