Answer:
What three letters change a boy into a man?
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
I am always in front of you, but you will never see me. What am I?
I contain six letters minus one and you got twelve.
I climb higher as I get hotter. I can never escape from my crystal cage.
The answer I give is yes, but what I mean is no. What was the question?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic