Failing to pattern match

[sawyl]

Arriving home, I noticed that a card had come in the post. Odd, I thought, it's not my birthday, it's not a post card and I don't recognise the hardwriting [ in my defence, it was upside down ], so I wonder who it's from.

I turned the card over to discover that it was the recipe for my thesis, which meant that the unknown writing was... my own. And I'd completely failed to identify it.

Not good.