It's all very well doing nothing at work, but isn't it annoying having to be there in the first place?

The next time your boss is away from their office, simply nip inside and address a new email to everyone in the company.

Adopt a suitably festive tone, thank everyone for their hard work, and give them the rest of the day off.

Then nip out before chaos ensues, safe in the knowledge that you have been given full permission to spend the rest of the day Christmas shopping.

Or, in your case, lying on the sofa in front of the TV and eating the After Eights you were thinking of giving to your mum...