Answer:
I am a sharp looking horse with a flaxen tail. The longer I run the shorter my tail becomes.
What can fill a room but takes up no space?
I have an eye but cannot see. I take time to generate and can dissipate in seconds. What am I?
I hold two people together but touch only one.
You buy me to eat, but never eat me. What am I?
I am rarely touched but often held. If you are smart you'll use me well. What am I?