Been doing the dry January thing (very boring). Didn't think anything of it and not particularly feeling any healthier - I didn't drink that much, probably only drank an average of 8 pints a week, with a very occasional blow out.
However, just weighed myself and I've lost 5.5Kg - out of nowhere. If anything I've been less active as I haven't been cycling to work every day and have definitely been eating more of an evening, out of boredom. Can't see what else the weight loss can be other than the beer, bit shocking really.