Showing After the Storm by Janet Dailey

Lainie was desperate for money to help pay for treatment for her invalid mother-and there was only one person she could turn to: Rad the husband from whom she had been separated for the last five years. Astonishingly, Rad agreed to help, but on one condition-that Lainie should return to him as his wife. For her mother's sake, what else could she do but agree to his terms, but how could she go through with it? For although she still loved Rad as much as ever, he had, she knew never loved her and didn't love her now. And his secretary was still the glamorous Sondra Gilbert