After reading the guidebook from the passenger seat to me, while driving down the 101: "I don't feel good."
"Really? How do you feel?"
"Hmm. What do you think it is? A sudden stomach flu?"
"I don't know, it's probably because I'm hot or something."
"Maybe. Or DO YOU MAYBE THINK YOU'RE CARSICK BECAUSE YOU'RE READING AND A LOT OF PEOPLE GET CARSICK WHEN THEY READ IN THE CAR?"
"I don't get carsick. It's probably just because I'm chewing gum."
"Yeah. It's probably the gum."