Answer:
I am the reaction after enjoying soda.
Sometimes dark and sometimes bright, I make my way among twinkling lights. Seas and oceans obey my call, yet mountains I cannot move at all. What am I?
I have a bank, but no money. I have a bed but do not sleep.I have a mouth but cannot eat. What am I?
I hold two meanings. With one I may be broken with the other I hold on.
I always have to work with something in my eye.
The answer I give is yes, but what I mean is no. What was the question?