Answer:
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes. What am I?
I go up but never come down. What am I?
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
Glittering points that downward thrust. Sparkling spears that never rust. What am I?
I jump when I walk and sit when I stand. What am I?
What is always coming but never arrives?