Possible Clues:

• Enjoyment of another's pain
• Found what's potentially sad 'fun' and cheered, showing this
• Send a rude chef away enjoying his misery?
• 19 in another's 10
• Psychiatrist had previously interrupted scene of gloating
• Cook endured a chef's delight in another's misfortune
• Dean's rude chef sacked - no sympathy here
• Pleasure gained from another's misfortune
• Fun has receded awfully when this is experienced
• Enjoying misfortune, hence sad, conflicted when probed by psychologist