Answer:
Its days are numbered.
What you do to determine the length of something
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
Come up and we go, Go down and we stay.
Break it and it gets better, immediately set and harder to break again.
Why is the letter B always cool?
Easy
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?