Answer:
Without this, H2O would just be 2O
What begins to die on a wedding day?
Which popular cheese is made backwards?
Once you know it exists, it no longer exists. What is it?
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
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.