That’s why I tend to answer them with something along the lines of “No thanks, a deaf & dumb orphan shot my Paw.” I’ll sometimes sneer when I say it, sometimes glare, sometimes look off wistfully/meaningfully.
There’ve been some priceless moments over time, especially when a cashier (or someone in line) gets it. I think the best was when a clerk looked at me aghast and asked in a whisper “was it in … Reno?!”