Am I Important?

When I was studying, I kept hearing "Who am I? Where did I come from? Where am I going?" I wasted half my life on these three ultimate questions. I may have finally seen the first answer, but I won't tell you. Welcome to the world of "Who am I?" Who are you? On this planet, in this universe, in this city, in this building, on this bed, are you still you when you close your eyes?