Answer:
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
I can be as thin as a picture frame but my insides have many things you can see.
Lovely and round, I shine with pale light, Grown in the darkness, a lady’s delight.
You roll it or you buy it, People say you shouldn't try it, Because you may get a stroke, From inhaling all that smoke.
What fastens two people yet touches only one?
What is big and yellow and comes in the morning, to brighten mom's day?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?