Answer:
To you, rude would I never be, though I flag my tongue for all to see. What am I?
The warmer I am, the fresher I am. What am I?
Drop me and the world will shatter. You can always find me where you empty your bladder.
So cold damp and dark I am. To stay you would refrain yet those who occupy me do never complain.
I am useless when together but useful when I am broken apart. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.