I’m forever squeezing myself into clothes that don’t really fit me, just for the sake of a number — I’m from the UK and clothes sizes go like this: 6, 8, 10, 12, 14, 16 and so on. In my head, that translates to: 6 (really, really slim), 8 (really slim), 10 (slim), 12 (bit curvy), 14 (curvy), 16 (very curvy), and so on. Ever since I was a…