The Reluctant Husband

She was still his wife! Frankie Caparelli thought she'd seen the last of her husband, Santino Vitale -- until he breezed back on the scene with some earth-shattering news. Their marriage wasn't annulled, and now he intended to claim the wedding night they'd never had! He had it all worked out. Within three weeks Frankie would have paid her dues and be free to leave Sardinia, file for divorce, and forget him forever. But Santino hadn't reckoned on falling for Frankie all over again -- or that now she could be expecting his baby....

imho, during the 5 year separation, it is reasonable to think he was faithful... well, except for the almost indiscretion in the elevator,