Answer:
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
There are four of these, but everyone's favorite seems to be spades.
What occurs once in a minute, twice in a moment and never in one thousand years?
There is an ancient invention still used in some parts of the world today that allows people to see through walls. What is it?
What begins to die on a wedding day?
I am free the first time and second time but the third time is going to cost you money.