Answer:
Use me if you really want to see inside someone
You turn me over after you have travelled far.
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead.
small land in water.
I am gold and can be black and white I'm a symbol for a nation when freedom took flight.
No matter how little or how much you use me, you change me every month.