Best short medium riddles

You can easily touch me, but not see me. You can throw me out, but not away. What am I?

It's Valentine's Day! What reindeer do we see on this day?

When you have me more, you can see only less. What Am I?

What you cannot hold it but it is yours?

How far can a fox run into a grove?

If six children and two dogs were under an umbrella, how come none of them got wet?

Every time you stand up, you lose this. What is it?

I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I?

What happens when you slap Dwayne Johnson's butt?

A slender body, a tiny eye, no matter what happens, I never cry. What am I?