Brits, in particular, have a peculiar relationship with the head on their beer. Just like my 15-years-ago-self, many people don’t think about it at all. Some actively oppose it. For years, I (and, unfortunately, my wife) were taught the proper way to pour beer from a can or bottle: carefully, with the glass held at an angle so extreme it looked like we were auditioning for a role in a safe-cracker heist film. The goal? To minimise foam as much as possible. Which is about as wrong as you can get.