How to survive the Christmas period without putting on an ounce of weight:
Step 1: In the run up to Christmas accept all and any festive snacks, drinks, goodies etc. on offer.
Step 2: On the day itself have a full helping of turkey, ham, stuffing, chipolatas, gravy, plus of course wine, followed up by a couple of helpings of Christmas pud and brandy butter. Don’t bother about the sprouts.
Step 3: On Boxing day, contract Norovirus