The friends with benefits (FWB) relationship is defined as friends who are sexual partners, yet they are not involved romantically, and the sexual engagements aren’t emotionally fueled [1]. This type of relationship involves having regular hookups, not just a single encounter, and while these relationships can vary, they usually fall somewhere on the spectrum between friends and partners. There’s no commitment or monogamous relationship to worry about, and people engaged in this type of relationship don’t view it any different from regular friendships apart from their sexual behavior.


Although the term, “friends with benefits” is fairly new, and made popular by the recent movies, Friends with Benefits and No Strings Attached, it’s doubtful that this type of relationship is really new. As causal sex becomes more acceptable and prevalent, an increasing number of young people report engaging in these relationships. One study reported that 54.3% of men and 42.9% of women studied reported at least one friends with benefits relationship in their lifetime [2].

Of course, a friends with benefits relationship isn’t for everyone. To make it work, there have to be certain rules for the relationship and for yourself. Fail to follow the rules, and you could be setting yourself up for disaster. On the other hand, if you’re careful to follow the rules and you have a solid friendship, it’s possible for this type of relationship to be very fun and fulfilling.


The idea of a friends with benefits relationship often seems simple – casual sex with a good friend with whom you feel comfortable, and none of that emotional baggage that often comes with romantic relationships. Unfortunately, this type of relationship has several common problems. One of the biggest negative aspects of the FWB relationship is the chance that one partner will develop feelings and the relationship will then become one-sided [3]. Another potential problem is the potential for complications and awkwardness that may arise in the friendship during and after the relationship [4]. Since there are many gray areas in these relationships, it can often make it difficult to communicate, complicating the friendship.In some cases, an FWB relationship may also take a toll on your mental health, particularly in females. One study found that “females who had a history of casual sex reported the most depressive symptoms [5].” Another study that looked at the association between casual sex and mental health in emerging adults found that casual sex is associated with psychological distress, and it may increase the risk for negative psychological outcomes [6].


While a friends with benefits relationship comes with certain benefits, it does come with some big potential drawbacks as well. To minimize the potential for problems, it’s important to set up some ground rules for the FWB relationship. The rules can vary from relationship to relationship, but the following are some common rules to follow that can keep the relationship fun and reduce the risk negative psychological outcomes.


One of the main concerns with friends with benefits relationships is relationship uncertainty, which is why it’s important to keep things light, fun, and flirty [3]. Allowing uncertainty to constantly cloud the relationship turns it into a downer that can quickly turn toxic. Focus on keeping things fun and light, avoiding heavy topics or talking about the future of the relationship.

While this isn’t a committed romantic relationship, it’s still important to do things that maintain the relationship. Maintenance behaviors like avoiding negativity and flirting can keep the relationship fun and exciting [7]. The whole point of these relationships is to have fun and release some sexual tension, but it’s very easy to start settling into a comfortable routine with the relationship. Skip the comforting activities that often come with committed relationships and stick with sexy, flirty activities, such as attending parties, going dancing before a night together.


Even though you’re not involved in a serious relationship, just as with any other type of relationship, you do need to make sure you’re having safe sex. Friends with benefits relationships are considered a type of casual sex, and studies examining casual sex have found that condoms are used less frequently by people who had four or more sexual partners in the past year, those who have been previously infected with STDs, and those who combine casual sex and alcohol intake [8].

Other studies done on the types of stipulations FWBs often have regarding sexual activity reported that safe-sex contraception practices are very important. Some friends even come up with plans of what they will do if contraception measures fail and pregnancy occurs [9]. Even though it may feel uncomfortable, talking about protection, contraception, and STD testing up front is essential to having a safe FWB relationship.


Honesty and communication are essential for any type of relationship, and friends with benefits relationships are no exception. In many cases, friends fear to be honest because they don’t want to lose a friendship, but honesty and communication actually allow you to get on the same page so you can avoid problems that may crop up in the future [4]. Both of you need to communicate what you want from the relationship, whether you want to keep things open or have an exclusive FWB relationship.

More than 20% of FWBs in one study reported that they had rules about being open in communicative interaction [9]. This can include disclosing whether you want out of the FWB relationship or if you’re beginning to want more from the relationship. Staying honest and communicating regularly can prevent fights and can help avoid ruining the friendship when it’s time to end the FWB relationship. It may also help to reduce relationship anxiety. More on that here.


Start meeting up too often and it’s easy to get comfortable in the relationship, resulting in someone’s feelings taking a romantic turn. Go on long dates, and you’re crossing into the relationship zone, which can quickly turn into a problem if one person develops deeper feelings. It’s usually best to avoid getting together unless you’re having sex or you’re seeing each other with a group of friends. Avoid romantic communication like calling each other the next day after a meetup to catch up. Avoiding public displays of affection can also be important. Most FWBs decide not to be physical unless they are in the bedroom together, which can help prevent the relationship from drifting into something more serious [9].


When you decide to get involved in a friends with benefits relationship, don’t expect monogamy. Most FWB relationships are not exclusive, leaving partners to pursue other partners without any repercussions [10]. In fact, one study that looked at both men and women involved in FWB relationships found that 16% were involved in two FWB relationships at once, and 8% had three or more FWBs at the same time. [1] Research has shown that FWB relationships are far less likely to be sexually exclusive when compared to other types of relationships, and individuals engaging in FWB relationships often reported a larger number of lifetime casual sex partners [11].

While you shouldn’t expect monogamy, you may discuss whether or not you’ll be monogamous with your friend. Some FWBs decide to be monogamous while involved in the FWB relationship. Once again, it’s important to communicate with each other. Make sure you’re on the same page about whether you’ll be monogamous or not so there are no surprises in the future.

It’s important to be careful with your sexual health whether you’re mongamous or not. That means using condoms (find the right condom for you, then learn how to use it), checking for signs of STIs and getting tested perodically because not all STIs have symptoms.


In most cases, friends with benefits relationships are short-lived relationships, so don’t expect your FWB relationship to last forever [10]. Most of these relationships will not transition into something else, and they often end when one person becomes involved with someone else, or the agreement simply doesn’t work anymore. While the FWB relationship may not last forever, studies have found that the “Majority of FWB relationships continued as friendships after the sexual intimacy ceased,” and nearly 50% of participants in these relationships report that they feel as close or closer to the partner of their FWB relationship. [12]


Since you’re probably enjoying your friends with benefits relationship, you definitely want to keep your partner coming back. It’s all about having fun and making sure you’re both getting the sexual fulfillment that you want. If you want to hang on to this relationship, then you will need to bring your ‘A’ game to keep your partner coming back. After all, one of the main reasons that FWB relationships end is because one person gets interested in someone else and decides to pursue that person. Loss of sexual interest is another common reason for terminating the FWB relationship [13].

Keeping things ‘hot’ and bringing your best into the bedroom is essential if you want the relationship to continue. Since you’re engaging in repeated sexual encounters, it’s important to avoid boredom. The good news is that since you’re probably comfortable with each other, FWBs are often able to become more sexually adventurous in the bedroom [1]. It’s the perfect time to talk about indulging each other’s’ fantasies and pushing your boundaries a bit to keep things interesting.


Don’t expect your friends with benefits relationship to be like a committed dating relationship or deeply fulfilling. Don’t count on your partner in an FWB relationship to be there when life gets tough. Don’t expect to have celebratory dinners or movie night dates. Don’t expect to be dates to work functions or weddings. In fact, young adults in FWB relationships report engaging in fewer activities with their partner than they did with other friends, focusing the relationship mainly around sexual activity [14]. Start having relationship expectations, and you’re setting yourself up for a big disappointment.

Remember, while the FWB relationship is a blend of physical intimacy and friendship, it’s not a committed romantic relationship, so don’t expect it to be like one [15]. Adding the constraints that may come with romantic relationships to the FWB can make you more likely to deal with negative emotional actions in the future.

While you shouldn’t expect your FWB relationship to be like a romantic relationship or deeply fulfilling, in some cases, partners do find a lot of fulfillment in this type of relationship, particularly if they have communicated rules beforehand and continue to have good communication throughout the FWB relationship.

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