Answer:
You can have it, and be at it, But it never lasts forever.
One might hang a locket from this
Major or minor I can be, when you touch me make sure you that you’re on the right key.
What is between heaven and earth?
What can't you see, hear or feel, until it’s too late. What shadows love, and shopkeepers hate?
When is it bad luck to see a black cat?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?