Answer:
Turn us on our backs and open up our stomachs you will be the wisest of men though at start a lummox.
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
What points the way without a hand. It floats on water but exists on land?
What can you share and still have all for yourself?
I look at you, you look at me, I raise my right, you raise your left.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?