Answer:
I go through a door but never go in and never come out.
I am a type of animal that hang out in the mist
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?
I look at you, you look at me. I raise my right, you raise your left. What am I?
I am always coming but I never arrive. What am I?
No matter how little or how much you use me, you change me every month.