Answer:
What fastens two people yet touches only one?
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
What goes up and down without moving?
Some adults still use these to count.
Remove 'Y' and you do this with apparel. Remove 'E' and I am cautious.
When is it bad luck to see a black cat?