Hello, there is the question I thought about. If humans ever discover about how time travel works why don’t they use it to change it to better. And I know it might be possible, but wouldn’t it be vissible in some sort of time and place? And why hide it? If we change time for better shouldn’t everyone be avare of it and be happier?
Your question made me worry. He should have had enough time to work it out, but my future self still hasn’t found a way to communicate with me by now.
Meanwhile, I keep sending my future self little handwritten notes telling him to hurry up, and putting these in places where my future self will be sure to find them. Communicating across time can be so one-sided.