How Not to F*ck Up Your Marriage

Lessons from a divorce lawyer in how to stay in love

How Not to F*ck Up Your Marriage is your guide to avoiding critical mistakes in relationships, crafted by James J. Sexton, who has spent over two decades in the trenches of high-stakes divorce. With a career full of witnessing good people tearing each other apart over poor communication, broken trust, and solvable issues, Sexton shares the lessons he wishes every couple knew before it was too late.

'Who would have guessed that the person who gives the best advice about marriage was the guy responsible for getting you out of yours?' - New York Times

'Brutally honest and wildly useful' - Steven Bartlett

This book serves as an early warning system, offering a no-punches-pulled guide to identifying the small mistakes, blind spots, and lazy habits that quietly destroy relationships. It reveals the real work needed to stay in love for the long term.

Covering issues from emotional drift and financial landmines to social-media sabotaging, from sex to silence, this book offers practical and, at times, deeply funny advice on protecting your connection, resolving conflicts before they escalate, and maintaining closeness through real-life challenges.

Whether you're in a relationship, out of one, or wondering if yours will last, How Not to F*ck Up Your Marriage is the relationship book penned by someone who has seen how they end and who, despite it all, still believes in love.