A Question of Pride: Harlequin comics

During the day, 20-year-old Clea is the boss's secretary. By night, she's Max's lover. She's been playing at being a cool customer to suit his freewheeling ways, but that's all over now that she's pregnant! Clea decides to break off the relationship so that he doesn't come to resent her for tying him down. However, once he finds out about the pregnancy he proposes right away!