They've been at it a quarter century at this point, and the attraction is still strong. The fact that she's not a conventional beauty, as he admits, adds to his fascination with her as his muse, his photographic model, and his lover. Frequently, their steamy once-a-week appointments are accompanied by revealing costumes and related props as they play out their fantasies, in public or in private. Of course, their children will never, ever want to know that such things happen between mommy and daddy, and much of their practice is kept secret from even the couple's bestest friends.

He does acknowledge that the resulting portfolio preserves some very revealing images. Just as important is knowing when to put the camera aside, along with the naughty attire. This couple's inventive, varied course in intimacy thwarts the same-old, same-old complacency that infects many marriages.

Their ongoing explorations stand in stark contrast to a previous lover who became a legendary porn star and sex slave after leaving him. He has no regrets. His wife is curious, intelligent, loyal, and no prude. As he naively attests, growing older together with the right partner will be unpredictably sexy. We'll see.

Aren't you curious? The pages of Private Sessions disclose their secrets.