Possible Clues:

• Desire a new T-shirt
• That missing adult admits sir confused by desire
• The Dr. ought to want a drink
• Desire shown in ripped t-shirt
• Model finds artist in need of a drink
• Globe falls off strobe light? You'll have to go to the bar to sort out that problem!
• Quaff to slake it
• A craving for drink
• Perhaps the Dr. ought to be the cause of it
• Saatchi's core to artist's keenness