"*** off somewhere else then."
"Aaaaah, they're only kids, aren't they sweeeeeeeeeet!"
"How dare you insinuate that my offspring aren't the pride of humanity, I ought to smash your face in."
"I pity you, you poor, childless, loveless individual."
"Don't you understand? [beats breast and fights back tear] I'VE GOT KIDS!!!"
"Don't you think it's just as embarrassing for me?"
"Who are you to question me?"
"Oh, sorry. I'll make sure they behave in a less anti-social manner from now on."
One of these has never happened.
You mention that oneof these has never happened. I'm assuming that particular piece of phraseology doesn't exlude the possibility that noneof these has ever happened to you.