It’s no secret that I’m a fairly avid tea-fanatic, but it takes something really special to coax me to have a coffee. My main memories of coffee for a long time were its nauseating pungency on long-haul flights – that coffee they keep lukewarm at the back of the cabin and bring out after they’ve served the food – by which time I was usually feeling horrendously queasy anyway. So for a long time I avoided coffee at all costs, falling in love, instead, with tea. Now, though, I’m re-discovering this lost beverage and I will walk miles to find the really good stuff. The stuff that doesn’t resemble that dark, high-altitude grimness in the slightest…