We went shopping earlier, and I was able to relive the scary experience I had at Tesco Bar Hill last week. At the time I was shopping for bits for the office, and so was going around the non-grocery aisles which I normally avoid. During my perambulations, I happened to spot a number of fitness balance balls. Now, since taking up pilates, my parents have been urging me to acquire one of these, so I was sufficiently tuned in to notice them all. But they were everywhere! I passed no less than 5 distinct varieties, not all together, but spread out throughout various sections of the store - Fitness, Seasonal, Pilates/yoga (in an entirely different area to Fitness). I even thought I spotted tie-dyed balance balls, which I dismissed as a Tesco-induced hallucination, or perhaps a mangled shelf labelling system. Tie-dyed yoga mat bags seemed much more likely (yes, these not only exist, but are all over the online yoga shops I've looked at). However, I was mistaken. Today I finally gave in a...