" Bang. You’re dead.’
Gamache swung around, but had recognised the voice an instant after he’d begun to turn.
‘You’re a sneak, Jean Guy. I’m going to have to put a cow bell on you.’
‘Not again.’ It wasn’t often he could get the drop on the chief. But Beauvoir had begun to worry. Suppose he snuck up on Gamache sometime and he had a heart attack? It would certainly take the fun out of it. "

― Louise Penny , Still Life (Chief Inspector Armand Gamache, #1)