Answer:
I am owned by every man though my length differs. Their wives uses me after getting married.
No matter how little or how much you use me, you change me every month.
I had a bright start, but I couldn't take the pressure. I consume everything, yet I don't eat anything. What am I?
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
What runs around the whole yard without moving?
What never gets any wetter no matter how hard it rains?