Based on the context and the answer, generate a question. 

Context: so nice to be home . driving home in the car , though , i turned my face to the window to hide my tears . every street corner , every view a memory ... one right after the other battering my heart . then the cd changes tracks , and my wedding song comes on ... " night and day , you are the one " ... how i wish he would remember .

Answer:

The wedding is no longer a pleasant memory for them .



Why did their wedding song make them cry ?