You are the grandfather of a child who has a child of their own. But what if that child is you? Do you remember having a child, or did your child just decide to have a child without telling you?
This paradox is the ultimate mind-bender. Try to wrap your head around it!
But don't worry, it's not all doom and gloom! There are ways to solve it, or are there?
Maybe you're just predestined to solve this one?