Answer:
When young I am sweet in the sun. When middle-aged I make you gay. When old I am valued more than ever.
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
Mr. and Mrs. Mustard have five daughters and each daughter has one brother. How many people are there in the Mustard family?
What invention lets you look right through a wall?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?
They're actually great swimmers now, but later they will become excellent hoppers.