Me: Check this out. It’s a grey and brown hair. But look – the brown bit is not the end, it’s the root.
He: Hang on, let me have a look in the light.
A pause, while he inspects the hair in question and verifies my outlandish claim.
He: It seems you are ungreying. Or perhaps turning brindle.
We both turn to look at our brindle dog. Her brown eyes remain inscrutable.