Answer:
I am the kind of a tree that is carried in your hand. What am I?
What is brown and sticky?
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
I'm a word that is not even strange. What am I?
I love to twist and dance. Though wingless I fly high up into the sky.
No matter how little or how much you use me, you change me every month.