Same here when I took my pops up Las Flores this summer. My mom did better, but she trusts my skills more than he does. She's been in the car when I've avoided being hit by spinning cars crashing on the freeway - and that was when I was pushing the Camry. But anyhoo. Even my boy, 38 yrs old, was afraid teh first time he went into the canyons with me. I find you gotta take it slow with folks who have never been up there before. Do it right, and they won't complain. By the end of the ride, you should be able to go almost as fast as you normally would. But then again, that's hard to do in a group ride. LOL.