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!
I'm the source of all emotion but I'm caged in a white prison.
I am a word of letters three. Add two and fewer there will be. What word am I?
found at the back of the book.
I have thirteen hearts but no body or soul. What am I?
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?