"I couldn't go through anybody's e-mails - I would never check on someone." But then there's a free-spirited air about this musical nomad these days.
Black leather is the last thing you would associate with Sarah Brightman, but here she is in my New York hotel room in her sexy Dolce & Gabbana jacket, jeans and the thick-soled biker boots in which she often marches around Manhattan instead of being driven around like a diva.
The signature Pre-Raphaelite ringlets have recently been trimmed and smoothed, perfectly complementing the cool new Gothic look of this eternally baby-faced artist, who's now an astonishing 47 going on 37. Once typecast as Andrew Lloyd Webber's big-eyed, toothy toy girl, Sarah now seems to have taken over the globe as the world's bestselling soprano.
When she and Lloyd Webber became an item a few years later, the snobs had a field day, sneering about the composer and the showgirl and ignoring her serious vocal training at the prestigious Juilliard Conservatoire.
"Well, I was a showgirl," she agrees mildly, refusing to be miffed.
I told you she was successful: this is a woman who managed to sell more records than even Elton John or the Rolling Stones when she became America's highest-selling British artist in 2000.
What a role model Sarah is for divorcées everywhere, having made so much money on her own that she offered to hand back the multimillion-pound divorce settlement she received from Sir Andrew.
And it's wonderful to have a person around who's so computer-friendly," she adds.
He sounds fantastic (does he put up shelves as well? But what about the trust element, in a relationship where they are so geographically separated for much of the time? "You have to trust each other - there's no point in worrying about that or you would just drive yourself mad," she says.
"I was quite middle-aged when I was younger," she says.
"I always felt older than my years, maybe because I was married to someone older.
The cover of her ambitious new album, Symphony, depicts a diaphanously clad, wild-haired Sarah looking like an escaped sea-nymph.