"Wow! I'm alive! Yes! I've got to eat! I've got to take a clock apart to see how that works! There's an ant! I'm going to follow that ant! Let's go to the library! What, sausages? Oh my god, I can't believe my luck!"
We could still retain this sense of awe and wonder at life as adults -- but so few of us do.
Also read: SMILE Inc. on the App Store