Riddles of how do you describe the speed at which you can sew

If I have it, I don't share it. If I share it, I don't have it.
What is it?

Answer

Secret.

First in round, then square is bound, in triangle form is the last shape found.
What am I?

Answer

Pizza.

How many seconds are there in one year?

Answer

12 of them: January 2nd, February 2nd, March 2nd, April 2nd, May 2nd, June 2nd, July 2nd, August 2nd, September 2nd, October 2nd, November 2nd, December 2nd.

I get sharper the more I’m used.
What am I?

Answer

A brain.

What did the boy squirrel say to the girl squirrel?

Answer

I’m nuts about you!

What do a call a chicken running down the road at 100mph?

Answer

Fast food.

I always fly but always am on the ground.
What am I?

Answer

A bird shadow.

What has a foot, a head but no body?

Answer

A bed.

I sit above you without judging you and can protect you and keep you warm.
What am I?

Answer

A hat.

He is the brother of my dad but he us not my uncle .

Answer

My father

If 1+9+8=1,
what is 2+8+9?

Answer

10 Notice the first letter. One + Nine + Eight = ONE Two + Eight + Nine = TEN

I always run but never walk, have a mouth but never talk.
What am I?

Answer

A river.