Answer:
I shave several times a day, yet I still have a beard. What am I?
I am a cold man without a soul. If there is warmth in me, it slowly will kill me. What am I?
What can travel around the world while staying in a corner?
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I?
No matter how little or how much you use me, you change me every month.