Answer:
What can't you see, hear or feel, until itβs too late. What shadows love, and shopkeepers hate?
I start in little but I end in full, you'll find me in half and complete.
What is the middle of water but is not an island?
What is something you can hold without ever touching?
What loses its head every morning only to get it back every night?
When is it bad luck to see a black cat?