For many couples, a postnuptial agreement stirs up a lot of emotions. Unlike prenups, which are discussed before the marriage takes place, a postnup comes into play after you both say, “I do.”
For some, the very thought of a postnup feels like a betrayal, while for others, they may need time to process and explore the idea. If your partner reacts angrily to the notion of a postnup, don’t just take that at face value – be curious about what may be driving their reaction!
Dig deeper and reframe
So, ask yourself – what other emotions or beliefs may be underneath the anger? Anger, while a valid emotion on its own, often occurs in response to another emotion. So, if we reframe and theorize what your partner may be feeling or thinking instead, we can get more clarity.
Reframe #1: They’re afraid.
Anger often occurs in reaction to fears. The idea of a postnup may trigger your partner’s fears of abandonment, being unlovable, or other core (negative) beliefs.
Reframe #2: They’re hurt.
The idea or request for a postnup can hurt your partner’s feelings. Maybe they believe you don’t trust them or are prioritizing yourself over them. Whatever the case, the core emotion is less anger and more feeling hurt… which often leads to sadness.
Reframe #3: They feel unappreciated.
A postnup can favor one partner unfairly when done without collaboration or discussion. For your spouse, the postnup (or what they imagine may be in the postnup) can cause them to feel unappreciated or taken for granted, driving an angry reaction.
Reframe #4: They’re (very) surprised.
For many, a prenup agreement has become more commonly placed or discussed in mainstream culture. However, postnuptial agreements have had less airtime, and bringing them up can surprise a partner. For some, it can feel like a bait-and-switch; after saying, “I do,” they may have thought this wasn’t or shouldn’t be an option. Being caught off guard can result in a rush of emotional overload, expressed through anger.
Consider the above reframes – does one seem to fit your partner’s reaction? Are there other reframes or feelings that might be likely for your partner? Most importantly, how do your perspectives, thoughts, or feelings change?
Your approach to the postnup conversation
Let’s also examine how the conversation about a postnup was initiated. Analyze how you approached the postnup convo.
Ask yourself:
- When did you first bring this up to your partner?
- Did you bring it up as an idea to think about? A request? A decision?
- Was your spouse open to a discussion?
- How was your tone during the discussion?
- How might your spouse have received your tone of speech?
- Was the discussion clear, or were there misunderstandings?
- What is your and/or your spouse’s history? Are there events that make you or them more reactive to this request?
- Was there space to share your feelings?
Let’s use an example:
- When did you first mention this to your partner? You mentioned the idea of a postnup in the car on the way to Sunday family dinner. It was a quick drive, and you arrived at your destination before you could talk more about it.
- How did you bring it up? You tossed out the idea as something you thought would be good to do since it wasn’t a “thing” to talk about before the wedding.
What could have gone wrong here? Well, it likely caught your partner when they were unprepared emotionally and cognitively. There also wasn’t any time to check in with each other or plan for further discussion; this time was short and put you both in a position to switch into “social” mode. The casual nature of how it was brought up may also have worked against you; it may have invalidated the seriousness and impact of the request on your relationship.
So, be honest and curious as you examine how you approached this conversation. You may find clues as to why your partner reacted the way they did.
Take a look at the state of your marriage
Your partner’s reaction can also be tied to or exacerbated by what is happening in your relationship now.
Consider:
- Have you both been more reactive in the relationship currently?
- Have you noticed more arguments or challenges?
- Have you recently dealt with infidelity?
- Have you recently dealt with financial issues?
If there are other stressors in the marriage, you and your partner may be more emotionally involved in this conversation than usual.
Your partner’s history
Your past helps to shape you and can pop up in the present when you least expect it. Suppose your spouse has experienced a significant loss of trust or instability in a relationship (in their childhood, past romantic relationships, or even friendship). In that case, the idea of a postnup can bring up core fears, deep fears, or anxieties that exacerbate a situation. Consider what you know about your partner’s past and how that affects the situation. Now, consider your past and how it adds to the situation.
The bottom line on why your spouse is angry about a postnup
When anger arises around a discussion of a postnuptial agreement, it’s likely a sign of deeper emotions or unmet needs. Whether it stems from fear, hurt, or invalidation, your partner’s reaction is an opportunity for greater understanding and deeper discussion.
Reflect on how the postnup was introduced, your marriage’s current dynamics and state, and how your personal histories can impact the situation. Approach future conversations with curiosity and empathy to broaden your perspective and understanding, even if you disagree with your spouse’s perspective. You can each validate the other’s feelings and create a space for open communication, which can strengthen the relationship’s foundation. In the end, no matter the outcome of the postnup, you can create a stronger, more trusting relationship.

Dr. Vivian Oberling is a licensed clinical psychologist with degrees from UCLA, Harvard, and Stanford. In her private telehealth practice, she works with adults navigating anxiety, identity shifts, and relationship dynamics—whether they’re dating, partnered, or parenting. She also provides executive coaching and behavioral health advisory support to tech startups and legal tools reshaping how we think about love, marriage, and psychological safety. Dr. Oberling combines 10+ years of clinical expertise with modern, real-world insight to help people move through uncertainty with clarity and connection.


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