Answer:
I'm where yesterday follows today and tomorrow is in the middle. What am I?
A young man wants to have me but when he has me, he no longer wants me. What am I?
What has to be broken before you can use it?
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
What do you get when you cross a pig with a karate expert?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.