Nah... that's a cop-out, Bugsy.
If I was met with the reply "His own?" I would have to "cease and desist" from my usual niceness and give that person a withering look... and sarcastically respond, "No, mine, actually."
But in reality the aforementioned revolting sentence is one I'd avoid uttering in the first place 'cos it makes me feel sick!
(Yuk. Someone change the subject, quickly, please!)
Jayne