What is the worst that can happen? We don't get our own money back from ourselves? Our future selves find that the cupboard is bare because our present selves

What is the worst that can happen? We don't get our own money back from ourselves? Our future selves find that the cupboard is bare because our present selves squandered it all. Printing money now is a gamble that the real economy of goods and services will expand at that rate over the long term. It’s not by any means certain that it will.