Answer:
Crooked as a rainbow and slick as a plate ten thousand horses can't pull me straight.
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?
What is so delicate that saying its name breaks it?
I mirror your actions.
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
What never gets any wetter no matter how hard it rains?