Answer:
Break it and it gets better, immediately set and harder to break again.
The line a runner strives to reach
What is the center of gravity?
What's that 7 letter word with thousands of letters in it?
If you can get this professional's attention you can get where you need to go for a price.
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?