Answer:
You throw me out when you use me and take me in when you are done. What am I?
My teeth help me suck.
I am easy to waste and unstoppable
I always go to bed with my shoes on. What am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.