Answer:
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.
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
If two's company and three's a crowd what are four and five?
I'm found in socks ties and hands. What am I?
I have two eyes in the front and a lot of eyes on my tail. What am I?
No matter how little or how much you use me, you change me every month.