The saying, “Love me, love my dog” implies that your dog is a problem—something negative in the whole package of You. Could anything be more ridiculous? While it’s easy to assume that our dogs make us more lovable and even more desirable (I mean, really, how could it be otherwise?), is there any evidence for this point of view?

The answer is yes! Multiple scientific studies—extensions of research into dogs’ many social effects—have concluded that dogs enhance human attractiveness. Scientists have known for some time that people are more attentive to and socially engaged with those accompanied by a dog than those who are not. We also know that bystanders are more helpful toward people with dogs. Other studies have extended our understanding of the canine influence on human social activity by investigating more personal, intimate types of behavior in the areas of courtship, dating and romance.

Pick-up Lines

In one study, having a dog with him enhanced a man’s success when he asked women out. In this experiment, the man asked 240 women for their phone number— 120 times while accompanied by a dog and 120 times without one. He followed the exact same script whether the dog was with him or not.

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The difference the dog made in his success rate was astounding. When he gave his pitch without a dog, 11 out of 120 women (9.2 percent) were sufficiently charmed to give him their number. When he was with a dog, 34 out of 120 (28.3 percent) complied with his request. With a dog, his success rate was three times as high. Never mind a wingman— if you want to meet someone, you need a wing-dog!

Studies have shown that people’s helpfulness and social interactions are prompted most strongly by light-colored dogs and puppies. An adult black dog was part of this experiment; researchers speculated that if the man had asked women for their phone numbers while accompanied by a light-colored puppy, his success might have been even higher. (Guéguen and Ciccotti 2008)

Why do dogs (of any kind) increase our appeal? To most dog lovers, explaining how dogs can make someone more attractive is pretty straightforward: people are more attractive if they have dogs because they have dogs! Quite simple —also quite circular. As it happens, there are a number of other, more satisfactory explanations.

Many people report that those with dogs seem safer, friendlier and more approachable; by being a conversation starter, the dog may also ease social awkwardness.

Interacting with companion animals can result in changes in our oxytocin and other hormone levels, and that may affect the opinion others have of us as well. Those who feel a rush of oxytocin in the presence of a dog may transfer the warm, fuzzy feelings to the person with the dog. So, dogs may make people attractive by prompting emotions that are extended to them by association.

This may not be good for our ego, but it can still be good for our love life!

Does This Dog Make Me Look Cute?

Another study surveyed 1,210 people on Match.com who owned pets—both cats and dogs—to learn if and how pets influenced their views about potential dates. One of the main findings was that dogs had a greater positive impact on the perceived level of attractiveness than did cats. (Gray et al. 2015)

Interestingly enough, there was also a gender component. The study concluded that dogs make men attractive to women to a greater degree than they make women attractive to men. Women were more likely to find someone attractive because they had a dog, and were also more likely to find a photo of a dog in an online dating profile a turn-on. Not surprisingly, more men than women ’fessed up to using a pet to attract a potential date. (I know of no studies investigating how dogs affect attractiveness between members of the same sex, but it would be intriguing to see what patterns emerge once that area has been explored.)

Compelling biological forces suggest the reasons for this gender difference, and there’s a large body of work on the subject. The basic theory is that, because women must commit a large amount of energy and effort to produce offspring (pregnancy and often greater caretaking responsibilities for the children), they need to be more selective about who they choose as a mate. Men, biologically speaking, are capable of producing lots of offspring with a minimum of, um, effort, so they can afford to be less discerning in their choices.

Of course, there are many exceptions, and in today’s world, the division of child-care responsibilities is often more equitable than in the past, but our evolutionary heritage still influences our behavior. Women are often attracted to men who have something to offer to potential offspring.

Having a pet may be a plus for several reasons. The expense of a pet may be a variation on finding a man in an expensive car attractive. If it demonstrates wealth, it could be appealing, since a lot of evolutionary research suggests that females prefer males with substantial resources to devote to offspring. The social skills observed when a man interacts with his dog may also add to his allure. Just like men with resources to share, those capable of emotional commitment and those with strong parenting skills are more likely to contribute to the successful raising of children. Dogs can enhance perceptions of all of these qualities.

Although the effects of having a dog were different for the two groups, the majority of men and women surveyed said that finding out that a date had adopted a pet made that person seem more attractive. (Cat guardians were less likely to feel this way than dog guardians.) As everyone in this study was a pet guardian, the increased attractiveness of someone with a pet may simply reflect our natural inclination to like people with whom we have things in common.

The youngest people in the survey— those in their 20s—were more likely than members of any other age group to express an attraction to someone because of a pet. They were also more likely to judge a date based on that person’s reactions to their own pet than were members of other age groups. Perhaps being a pet guardian makes these younger men and women seem more grown-up, mature or responsible, which could be a plus for younger people.

Another explanation for this strong age effect is the growing trend toward considering dogs to be members of the family. An increasing number of people describe their dogs (and cats) this way, and it’s possible that dogs influence mate choice by revealing a person’s emphasis on family. Compared with older people, who may be new to the concept or may never have fully embraced it, the youngest people in this study may have always placed this level of importance on their pets.

As it happens, Bark readers of all ages seem to be more likely than the general population to consider dogs as family members. In reply to a blog post asking about this, two-thirds of the answers used words that implied familial relationships: dogs were their babies, or they were their dogs’ moms and dads.

Dad or Cad?

Another study warns women to be aware of how dogs influence their views. Men can be attractive because they seem romantic, caring and interested in long-term attachments; in other words, they would make good dads. Another type of man is more of a cad—dangerous, exciting and into chasing women. Women are often attracted to cads for short-term relationships and to dads as long-term partners, but dogs can interfere with that classification.

Women taking part in this study were provided with descriptions of both cadlike and dad-like men. They said that overall, they preferred to marry the dads, but many expressed an interest in shortterm affairs with the cads. These same characters were then described to women with only one detail changed—they were now all dog guardians. Dogs made both dads and cads more attractive, but the difference was greater for the cads. In fact, if cads had dogs, they were even more appealing than dads with dogs.

Dogs appear to supply cads with the perfect combination of traits; attractive, exciting cads seem to have had their bad qualities erased by having a dog. The potential for manipulation is obvious: a man exploiting the shortterm cad-like strategy can block negative perceptions of his style by having a dog. As the authors of the research study write, “Thus, a cad with a dog is especially attractive to women, as they may believe they are getting the best of both worlds.” (Tifferet et al. 2013)

It’s wonderful to know that dogs can make men, and, to a lesser extent, women, more attractive. Now, if only scientists could find evidence that dog hair has the same powerful effect!