Answer:
Who plays when he works and works when he plays?
He has married many women, but has never been married. Who is he?
I am a nut with a hole
I turn everything around, but I cannot move. When you see me, you see you! What am I?
A trail, a union, together tied. Come across me and you will find you cannot change the course I'm on. Without me you cannot travel on. What am I?
The warmer I am the fresher I am.