Infidelity is a painful betrayal that many face in relationships with narcissists. The combination of narcissistic traits such as a sense of entitlement, a constant need for admiration, and a lack of empathy can sometimes lead to extramarital affairs. This blog post aims to help those who may be grappling with infidelity in their relationship with a narcissist, offering expert advice on recognizing the signs, trusting your instincts, and protecting yourself both emotionally and physically.

Understanding Narcissistic Infidelity

Narcissists may be more prone to infidelity due to their need for constant attention and validation outside of their primary relationship. Dr. Ramani Durvasula, a psychologist specializing in narcissistic behavior, explains that narcissists often engage in affairs to feed their ego and fulfill their continuous need for emotional and sexual conquest. The thrill of secrecy and the chase can also be particularly alluring to someone with narcissistic traits, making them more susceptible to pursuing affairs.

It can be challenging to spot when a narcissist is being unfaithful, especially when they are skilled at manipulation and deception. Empaths, like me, can be gullible, naive, and trusting; I was clueless and so focused on taking care of our home and children that I never saw the signs. It wasn’t until after I filed for divorce that I learned more than I ever wanted to know. Common signs include:

Changes in Routine: Sudden changes in their schedule, frequent unexplained absences, or late nights out.

Emotional Distance: A noticeable decrease in emotional intimacy and sharing, where the narcissist seems more withdrawn than usual.

Increased Secretiveness: Guarding their phone or computer unusually, changing passwords, or being defensive about their whereabouts.

Accusatory Reversals: Accusing you of infidelity or paranoia as a way to deflect from their actions.

If you suspect infidelity, trust your instincts. Don’t blindly accept their reasons for questionable decisions, no matter how logical it may seem. Many partners of narcissists initially dismiss their gut feelings, attributing them to overthinking or insecurity. Dr. Lisa Firestone, a clinical psychologist, advises that while it’s important not to jump to conclusions, you should take your instincts seriously and consider them a sign that further investigation or reflection is warranted.

Protecting Yourself Emotionally and Physically

When dealing with infidelity, it’s crucial to protect your emotional and physical health:

Set Boundaries: Determine what you are willing to accept in the relationship and communicate these boundaries clearly to your partner.

Physical Health: If you choose to continue being intimate, ensure to protect yourself against sexually transmitted diseases. Consult with your healthcare provider about the best protective measures and consider regular health check-ups.

Confronting a narcissist about suspected infidelity should be approached with caution. Prepare for the possibility of denial, gaslighting, or further manipulation. When discussing your concerns, stay calm, stick to the facts, and avoid letting your emotions get the best of you. Sometimes, having this conversation in the presence of a third-party, such as a priest, counselor, or therapist can provide a buffer and help keep the discussion productive.

Deciding the Future

Deciding whether to stay in the relationship after infidelity is deeply personal and complex. Consider your values, the pattern of the relationship, and whether the narcissist shows genuine remorse and willingness to change (though this is rare in narcissistic relationships). Prioritize your emotional and physical well-being in addition to long-term happiness in whatever decision you make.

Dealing with infidelity in a relationship with a narcissist is profoundly challenging. It requires a delicate balance of self-care, strategic planning, and professional support. Remember, you deserve a relationship built on trust and respect, and addressing the issue directly is a crucial step towards healing and deciding your path forward.


As we close this post, please remember: you are not alone on this journey. Your experiences, thoughts, and feelings are important, and sharing them can be incredibly healing. I encourage you to leave a comment below or send me a personal message if you’d like to share your story or just need someone to listen. This space is not just about sharing insights—it’s about building a community of support and understanding.

Leave a comment