I haven't weighed myself yet (and hey, it's only been two days) but I feel a lot better. I'd noticed my tummy was starting to get a bit of a bulge (it's always been really flat, no matter how heavy I am), so before this I'd been trying to correct by eating healthy, high-fibre foods. Apparently I was just eating too much, because the bulge has nearly gone now!! Which makes me very excited.
I was naughty and had a bit of a binge and purge again yesterday... but baby steps! Today I woke up without feeling very hungry at all so I think that's a sign my stomach is starting to shrink back to a more reasonable size. Huzzah!