“He just was so loyal and loving and just so in love,” the model toldPeople.

“And I did not make it easy.”

It was ultimately Shields' need for change and growth that ended the young romance.

Brooke Shields smiling into the camera

And I needed to be challenged differently."

“When I was twenty-two, I finally lost my virginity,” she wrote.

“I suddenly did not know who or how to be around him.

Split image of Brooke Shields and Dean Cain