Answer:
They come at night without being called and are lost in the day without being stolen. What are they?
What force and strength cannot get through I with my unique teeth can do.
Born in the ocean and white as snow. When I fall back to water I disappear without a trace.
What can you break even if you never pick it up or touch it?
I am a sharp looking horse with a flaxen tail. The longer I run the shorter my tail becomes.
No matter how little or how much you use me, you change me every month.