Answer:
What three letters change a boy into a man?
It's in your hand though you can not feel it. Only you and time can reveal it.
I am a beverage named after a stick.
I cannot be felt seen or touched. Yet I can be found in everybody. My existence is always in debate. Yet I have my own style of music.
I fill a room but take no space.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.