"We knew we would not stand mute and let them follow blindly," she says.
And she has transmitted to them lessons she learned from her own childhood.
Her husband savored the book, she said, thankful that she didn't make him come out "like Ike Turner." Through the toughest times, and not without therapy, the two seem to find their way back to unconditional love.
They wonder what they would do if their children came home with shorn hair, following a guru.
Her parents broke with the tradition-bound 1950s in other ways.
The seven years she spent writing the book, the 54-year-old Santana says, helped bring the kind of self-realization she had spent her life looking for.
"I have really grown through this writing," she says.
She followed him to Los Angeles, where she ended up trapped in a world of hard drugs and low self-esteem.
She spent the days before 1969's seminal Woodstock concert tucked away in a New York City hotel room with Stone, losing her virginity and taking LSD for the first time.
They left the fold to start a family and take on new challenges.