Answer:
Flat as a leaf round as a ring. I have two eyes but can't see a thing.
No matter how much rain gets on me, I won't get any wetter. What am I?
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. What am I?
A trail, a union, together tied. Come across me and you will find you cannot change the course I'm on. Without me you cannot travel on. What am I?
The shorter I am, the bigger I am. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?