Archimedes a-gogo

Yesterday somebody sent me (with my Charlie hat on) the idea for a Christmas story. Like all the best plot bunnies, it raised the initial thought, "No, I couldn't write that", shortly followed by, "actually..." This is always followed some time later by the arrival of a flood of ideas.

Unfortunately, this flood hit when I was in the bath this morning, so I leapt, Archimedes like - and not a pretty sight on either occasion - out to go and find paper and pen before I forgot them all.

Does anyone else have this happen?