Answer:
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
If you have me, you want to share me. Once you share me, you won't have me. What am I?
I mirror your actions.
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. What am I?
What begins with an E but only has one letter?
Why is the letter B always cool?