Coffee as a tool of persuasion
Research coming out of Queensland University of Technology (as reported on ABC News Online HERE) suggests you are more likely to come over to my way of thinking if I foist coffee on you while trying to persuade you. Yes, apparently "caffeine increases persuasion through instigating systematic processing of the message", so next time I offer you a special blend doppio ristretto piccolo latte you'd better check the accompanying patter isn't something like: "Look into my eyes, look into my eyes . . . Not around the eyes . . . The eyes . . . The eyes . . . "