Answer:
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes. What am I?
A dagger thrust at my own heart dictates the way I'm swayed. Left I stand and right I yield to the twisting of the blade. What am I?
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
What do people spend a lot of money on every year, but never want to use?
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
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.