Answer:
I am always coming but I never arrive. What am I?
You do not want me when you don’t have me, but when you have me you don’t want to lose me. What am I?
I am constantly overlooked by everyone but everyone has me.
When you take away the whole from me there is always some left.
Feed me and I live. Give me water and I die. What am I?
When is it bad luck to see a black cat?