'How did you make the reindeer teeth marks in the carrots?'
Bless her. It's the only thing she hadn't worked out. In some ways it is simpler now without the pretending, but it is also the end of an era, with each of them having had the realisation one by one over the years.
...and the reindeer teethmarks along the carrots are done with a crimped biscuit cutter by the way. [santa]