Answer:
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
What contains zero calories, but if you consume it, you will probably gain weight?
What loses its head in the morning and gets it back at night?
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
What do angels sing in the shower?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?