Answer:
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?
the only amusing part of the body
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.
Alone I am 24th with a friend I am 20. Another friend and I am unclean.
I am drawn by everyone without pen or pencil
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?