Answer:
Keep doing me to avoid lens dryness
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
Break me but I’ll continue to work touch me and maybe I’ll stay with you forever.
I am used when you jump off a bridge for fun.
Turns me on my backs and open up my stomach. You will be the wisest of men though at start a lummox.
No matter how little or how much you use me, you change me every month.