This works in the short run, but the Japanese have been in an economic hole for a long time. They are printing money to keep assets afloat, but this wont work forever and they know it. The whole thing is fake, and fake doenst last forever.
At some point, we will decide growth is over and isn't coming back. It feels like we're close to that point. And good! You can have a great quality of life without neverending growth.