Take a drink: Anyone has a drink

Take a drink: Anyone says "Date Doctor"

Take a drink: Sarah makes any reference to her work

Take a drink: Anyone says "Allegra."

Take a drink: Someone's plan gets fouled up somehow (kick in head, allergies, mustard on shirt, etc.)

Take a drink: Every time Hitch dispenses relationship advice

Take a drink: Anyone is shown out on a date

Add a rule!