After Lin met Dave, their lives quickly became entangled. Lin joined Dave’s small business, made much-needed improvements, and charmed Dave’s family. The two also began a romantic relationship that lasted years. When it fizzled, Lin continued working at the company—and eventually uncovered Dave’s lies, deceit, and infidelity. On this episode of How To!: Carvell Wallace welcomes Nina Renata Aron, author of Good Morning, Destroyer of Men’s Souls, to share her own experience exiting a toxic, codependent relationship and explain how she came to terms with it. If you liked this episode check out: How To Do Divorce Right and How To Forgive Someone Who Isn’t Sorry Do you have a problem that needs solving? Send us a note at howto@slate.com or leave us a voicemail at 646-495-4001 and we might have you on the show. Subscribe for free on Apple, Spotify or wherever you listen. How To’s executive producer is Derek John. Joel Meyer is our senior editor/producer. The show is produced by Rosemary Belson and Kevin Bendis.  Slate Plus members get bonus segments and ad-free podcast feeds. Sign up now at slate.com/howtoplus. Learn more about your ad choices. Visit megaphone.fm/adchoices