Answer:
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
I'm found in socks ties and hands. What am I?
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
What's full of holes but still holds water?
No matter how little or how much you use me, you change me every month.