There's one thing that brightens up the grey, dull, post Christmas lull of January and that, my friends, is left over chocolate. This year I've totally shunned get-fit-go-on-a-diet-January. Instead we're partaking of frugal-use-up-every-last-bit-of-Christmas-January. Of course, this means eating all of that chocolate. What better way to 'use it up' than increase the problem even more,...