once he realized that there was no more presents to open, and that he had to go back to school, paul was suffering from severe christmas hangover
the slight depression some people experience for up to a week after christmas is over-it is caused by all the excitement of christmas suddenly being over
"once he realized that there was no more presents to open, and that he had to go back to school, paul was suffering from severe christmas hangover" What is the definition of "christmas hangover"?