All except the third option.
I would say "A Nothing" Just because of the fact that nothing can really speed up the rate of alcohol breaking down! The liver works on its own speed, Water can help a bit tho.
Something may irritate it and the reaction the eye has is that it burns. Let's say something got in it, then it burns because something is touching the eye that irritates it and it burns.
Answer:
Tomorrow
Explanation:
The one-word answer to this simple riddle is 'Tomorrow'. Tomorrow never comes, but people always push back their plans and say that they will "do it tomorrow". So tomorrow is always coming but it never actually arrives.
Can you be more detailed with the question?