Answer:
My first is high my second damp my whole a tie a writer's cramp.
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house. What am I?
What is easy to get into but hard to get out of?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
I help you carry your books.
No matter how little or how much you use me, you change me every month.