However, the Gremlins have been, and now they're not there. I have searched high and low. I know full well that if I leave it for a couple of days they will miraculously re-appear - because that's what always happens.
The same Gremlins are responsible for socks that go into the wash as a pair - coming out again as singular socks. They are also responsible when my car keys or mobile phone go missing and turn up in the bathroom - or - like last week - at the bottom of the dirty linen basket. Every home has its Gremlins :)