Answer:
If you have me, you want to tell me. If you tell me, you don't have me.
Precious stones in a pack of cards.
The more you take away, the bigger it gets.
What has keys but no locks, Space but no room, You can enter but you can’t exit.
Where jewelry pierces your head.
When is it bad luck to see a black cat?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?