I've also been the riddle-master and have been doling out riddles like no other.
Here are a few examples. Highlight the area next to "Answer:" To see the answers
1: I hide what's real,
I Hide what's true,
I bring out the courage in you.
2. What stays in the corner but travels all around the world?
Answer: Stamp on an Envelope
3. What has a head at night, but not in the morning?
Answer: A pillow