Answer:
I only exist when you are here. Where you never were I can never be.
What can you catch but not throw?
In the sun I like to play; in the rain I goes away; walk or run I always follow; in the mud I always wallow.
Lighter than feather and softer than silk, yet the strongest man in the world cannot hold me for more than a few minutes. What am I?
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk