Answer:
You throw me out when you want to use me, but take me in when you donβt want to use me. What am I?
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.
My head bobs lazily in the sun. You think I'm cute for my face is yellow my hair is white and my body is green.
Goes over all the hills and hollows, Bites hard, but never swallows.
I am an odd number that become even when beheaded.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?