10 Most Important Wedding Vows You Should Make, Based On Research

Let science steer your marriage in the right direction.

couple getting married Rawpixel.com / Shutterstock

I study romantic relationships. I’m also engaged. So, of course, I’ve given a tremendous amount of thought as to what it really means for my partner and me to marry one another.

Researchers have found that weddings are deeply significant life events, but we don’t really know why they’re so meaningful. Marriage may simply be about celebrating a milestone: recognizing the relationship that a couple has built together and the love that they share with each other.


But weddings are also very future-oriented, as the couple publicly promises to maintain their relationship for life. I suspect that it’s really these vows — the solemn promises that the newlyweds make to each other in front of their closest friends and family — that are at the crux of why weddings have such an emotional impact.

No pressure.

As my partner and I sat down to think about our own vows, clearly we had a lot to consider. If these promises are the essence of what it means to be married, then what exactly do we want to promise each other?

We could always go with the traditional marriage vows: for richer, for poorer, in sickness and in health, for better for worse… but, these seemed a bit too vague for our tastes. We decided that we wanted to make more specific, behavioral promises: things we can strive to do for each other that would help us not only remain together but also be happy and fulfilled in our marriage.


Conveniently, I had decades of research at my fingertips to help us figure out what it really means to be a good spouse. Why not harness those resources for our wedding? In other words — and this may sound completely over-the-top nerdy to some — we decided to write some research-based vows.

Below are the 10 most important wedding vows you should make, based on research

1. “I promise to respect, admire, and appreciate you for who you are, as well as for the person you wish to become”

Research on positive illusions shows that it’s helpful to see romantic partners in a positive light — to appreciate their positive qualities rather than ruminating about their flaws. Not only does this sunny outlook lead to better relationship satisfaction, but positive illusions help partners to feel better about themselves. So, in the first part of this vow, we’re promising to always see the best in each other.

In the second part of this vow, my partner and I are promising to support each other’s attempts to grow and improve ourselves over time. This is called the Michelangelo phenomenonand research shows that supporting your partner’s changes to themselves is very beneficial both for the partner and for the relationship. Importantly, I’m not promising to help my partner improve in the way want him to improve, but in the way, he wants to improve himself, and vice versa. It’s all about supporting the partner’s own personal goals. 


RELATED: How I Was Scammed By An Over-50 Sociopath

2. “I promise to support and protect your freedom; because although our lives are intertwined, your choices are still yours alone”

This vow draws from research on autonomy. Although humans are social creatures who both need and enjoy relationships, it’s also important for us to maintain our individuality. In particular, we need to feel like the decisions we’re making are truly coming from us

When people feel forced or coerced into making choices — like they didn’t have any real choice in the matter — they’re less happy and less fulfilled. And, as you might have guessed, that lack of happiness is problematic for relationships.

In this vow, my partner and I are promising to avoid pressuring, guilting, or otherwise coercing each other into making decisions, striving instead to always respect each other’s right to make choices for ourselves. 


3.  “I promise to seek a deep understanding of your wishes, your desires, your fears, and your dreams”

This vow draws from research on responsiveness, which involves sensitively meeting your partner’s needs.

Striving to meet each other’s needs is a cornerstone of healthy relationships. However, you can’t meet a partner’s needs if you don’t know what they are. Understanding one’s partner is the first step to being responsive, which is why we each promise to seek a deep understanding of one another. 

4. “I promise to always strive to meet your needs; not out of obligation, but because it delights me to see you happy”

Once we figure out what each other’s needs are, my partner and I promise that we will try our best to meet those needs. Of course, this can be easier said than done. Sometimes, giving your partner what they need involves difficult sacrifices on your part.

Research on sacrifice shows that it’s important not to make sacrifices for avoidance-based reasons, such as feeling as though you “should” be giving something to your partner.


Both partners are better off when any sacrifices are made out of approach motives, such as genuinely wanting to make your partner happy.

 So, with this vow, my partner and I are promising each other that when we do sacrifice for each other, we’ll do it only with love and care, and not with reluctance or resentment. If and when we can’t make sacrifices for the right reasons, it’s probably better not to make the sacrifice at all. 

RELATED: I Didn't Love My Wife When We Got Married

5. “I promise to be there for you when you need me, whenever you need me”

This vow is based on what it means to be a good attachment figure: the person in your life who you most strongly rely on for support. With this vow, we’re promising to reliably be there for each other when one of us is distressed: to be each other’s soft place to fall, or what researchers call a “safe haven”.


6. I promise to nurture your goals and ambitions; support you through misfortune and celebrate your triumphs

This vow covers the other side of being a good attachment figure: being there for your partner when they’re not distressed. Basically, my partner and I both want to know that we can take risks, make mistakes, and come home to a supportive partner at the end of the day. Letting your partner go out and conquer their goals, knowing that you’re there in the background cheering them on, is called being a “secure base”.

7. “I promise to keep our lives exciting, adventurous, and full of passion”

Here, we draw from research on self-expansion theory, showing that couples are happier when they engage in new, interesting things together. Basically, we’re promising each other not to let our relationship fall into a rut. We’re going to keep courting each other, keep traveling and exploring together, and keep sharing novel and interesting experiences with each other for the rest of our lives.

RELATED: What Happened When I Crashed A Wedding In Croatia

8. “I promise to persevere when times get tough, knowing that any challenges we might face, we will conquer them together”

This is the closest that our vows come to representing the traditional vows about being together “for better, for worse”; in other words, to stay committed to each other. Research shows that by having this committed outlook — where we intend to stay together through thick and thin — we should be better able to deal with any adversity that might come our way.


This is because when a couple sees themselves as a permanent partnership, their perspective on problems tends to shift from being about “me against you” to being about “us against the issue”. Researchers call this “transformation of motivation”: commitment helps people to stop treating conflicts as zero-sum, instead keeping the well-being of their partner and their relationship in mind. So, by acting like a team, we’ll be in a better position to face challenges together.

9. “I promise to treat you with compassion over fairness because we are a team, now and always”

This vow draws from research on communal orientation. Being communally oriented means that you contribute to your relationship based on what is needed and based on what you have to give. In other words, it’s about being a team player.

With this vow, we’re promising not to “track and trade,” keeping careful tabs on each other to ensure that we’re each contributing to the relationship fairly and equally (“I did the dishes yesterday, so you should do them today”).

Instead, we’re promising to always strive to contribute what we can, based on the needs of our partner (“You got home very late and had a stressful day—I’ll do the dishes tonight”). We trust that our respective efforts will more or less balance out in the long run.


Communal strength, or this willingness to give to the relationship without much concern for what you’re receiving in return, is associated with a whole range of positive relationship outcomes.12

10. “I promise to show you, every day, that I know exactly how lucky I am to have you in my life”

With this last vow, we draw from research on the emotion of gratitude

When people feel appreciative of their partners, they’re happier and more committed to their relationships. And when people express gratitude to their partners, their partners feel appreciated, which makes those partners feel happier, more committed, and more appreciative themselves.


It’s all a wonderful cycle of goodness. So in this vow, my partner and I are promising to never take each other for granted, but rather to appreciate what we have and express that appreciation to each other often.

After the wedding, we’re planning on getting these engraved and hung up in our hallway, to remind ourselves regularly that we made these promises. Clearly, actually following them is the real challenge. But the effort we put into keeping them will undoubtedly make our relationship stronger.

And by the way, if anyone else likes the idea of having wedding vows that are based on research, feel free to use these. We’re happy to share!

RELATED: Newlyweds Post $240 Invoice To Couples Who Did Not Show Up To Their Wedding


Samantha Joel is an Assistant Professor in the Psychology Department at the University of Utah. Her research examines how people make decisions about their romantic relationships.