Answer:
I am a sharp looking horse with a flaxen tail. The longer I run the shorter my tail becomes.
They come out at night without being called. They are lost in the day without being stolen. What are they?
You hear me speak, for I have a hard tongue. But I cannot breathe, for I have not a lung. What am I?
If you lose me you may cause people around you to lose me too.
I'm very tempting so its said I have a shiny coat of red and my flesh is white beneath. I smell so sweet taste good to eat and help to guard your teeth.
It's what light turns into in the night