Answer:
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
I make a loud sound when I'm changing. When I do change I get bigger but weigh less. What am I?
When I point up itβs bright. When I point down itβs dark.
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word.
No matter how little or how much you use me, you change me every month.