Marrying

Question: One day, Jack went to Walmart. He saw Santa and wanting to talk to him. He then told Santa what he wanted for Christmas. At the end, Santa told Jack, Merry Christmas. Jack said, I can't. Santa was confused. What does Jack mean, I can't?

Question: What is that thing we buy for eating but cannot eat it?

Question: You build a house and all 4 walls are facing south. Where did you build the house?

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?

Question: What loses its head in the morning and gets it back at night?