Forbidden Temptation. Gwynne Forster

Sex changed everything…After marrying off her sisters, Ruby Lockhart could finally concentrate on her career. After all, love wasn't in the cards for the pragmatic Ruby. Only she could wake up the morning after her sister's wedding with a gorgeous, sexy man in her bed and have him be her best friend!Mr. Sexy–aka Luther Biggens, ex-navy SEAL–had always been Ruby's rock. Now he was her problem. She couldn't look at him without remembering the ways he'd pleasured her. More troubling than how she'd ended up in bed with Luther was that Ruby wanted to do it again…and again…