Answer:
Scythe of darkness, Shadow’s light. Guiding eye of thirteenth sight.
What can be swallowed, But can also swallow you?
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
A tiny bead, like fragile glass, strung along a cord of grass.
A man parks his car outside of a hotel and immediately realises he is bankrupt. How did it happen?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?