Fun Riddles

Question: What goes round the house and in the house but never touches the house?

Question: What belongs to you but others use it more than you do?

Question: What fastens two people yet touches only one?

Question: What did the red light say to the green light?

Question: There is a one story house. The walls are blue, the floor is pink, the stove and cupboards are red. What color are the stairs?