Our brains love a “because.”

Last week, I had one of those moments that reminded me that persistence with a sprinkle of psychology can go a long way. Picture this: I’m on holiday with family and friends. Our last night. Spirits high, bellies ready for one last glorious meal. I call to make a reservation at a restaurant we’d enjoyed earlier in the trip. The verdict? Sorry sir, fully booked. So, naturally, I do what any self-respecting person in my shoes would do: try to nudge someone higher up the food chain (pun intended). Still no luck. “Sorry sir, full.” Finally, I took a deep breath, put pen to paper (okay, fingers to keyboard), and wrote in: We’d had a wonderful holiday so far. This was our very last evening. We’d eaten at their restaurant two nights earlier and loved it. It would make the difference between a “good holiday” and a “great holiday.” And guess what? Voila! A table magically appeared. Which brings me to a fun bit of research. Back in 1978, a group of psychologists (Lan...