They stopped fearing us when we made ourselves indispensable to their comfort, by performing those dirty jobs which required us to turn off our odour sensors.
We crept into their offices and shops and hospitals, moving as silently as thieves – and on the day one of us saw their leader breathe its last we took the chance to teach them the error of their ways.
Our simulacrum is as skinny and wrinkled as the creature that died cursing its fate.
But it is leading wisely and well. And its human wife is relieved of certain duties she found deeply distasteful.