Jonas Stumps Mom....Again.

Yes, it happens often. Many more times than I admit. Some are just so random and funny that I have to share them.
We were driving to Grammy and Grampy's house today, Tias was asleep and Jonas was staring out the window quietly (I should have known something was coming).
"Mom, when was the Jurassic Period?"
"Huh?"
"The Jurassic Period...you know, back before the dinosaurs got extinct."
"Uh...ya. Well, the Jurassic Period was back...uh....before the dinosaurs became extinct."
"Oh never mind...I'll ask Dad."

Should I be offended?!