If it happened in real life to my brain, we would all be in SERIOUS trouble.
The universe is, instant by instant, re-created anew. There is, in truth, no Past, only a memory of the Past. Blink your eyes, and the world you see next did not exist when you closed them. The only appropriate state of the mind is surprise. The only appropriate state of the heart is joy. The sky you see now, you have never seen before. The perfect moment is now. Be glad of it.
-GNU Terry Pratchet, The Thief of Time