Slacker and Steve - OPP - Now that her fiancé knows the truth about her coworker, he doesn't want to get married anymore 3/4 (Audio)

Nicole's fiancé Mark has always been suspicious about her relationship with her coworker, Chad. Nicole has assured him that there's nothing going on but she's been lying. She and Chad slept together before she started dating Mark. Now that Mark knows the truth, he's not sure he still wants to get married. What should Nicole do?