Who Rescued Whom?
How rescuing a dog might change your life more than theirs.
Updated May 29, 2026 | Reviewed by Monica Vilhauer Ph.D.
People say they rescued their dog. But honestly, most rescue dog owners will tell you it went both ways. A common question in my house, asked in a cute voice to my dogs, is “Who rescued whom?”
There's something that happens when you open your home to an animal that's been abandoned, overlooked, or had a rough go of it. You think you're doing a good thing, and you are. But then months pass, and you look around and realize this dog has completely changed your life. A dog often changes your routine, your mood, and possibly even how you see yourself.
I'm a psychologist, and I am a person who understands what it feels like to want and sometimes need something to come home to. I can tell you that the way dogs affect us emotionally is real, it's profound, and the science actually backs it up.
When you interact with a dog, your brain releases oxytocin , which is the same hormone involved in human bonding , trust, and falling in love. And here's the coolest part—the dog's brain does too. In a landmark study, Nagasawa et al. (2015) collected urine samples from dog-owner pairs before and after interactions involving mutual gazing, stroking, and cuddling, and found that oxytocin levels rose in both the human and the dog. You're not just petting or cuddling with an animal. Your nervous systems are literally responding to each other. Research also shows that being around dogs lowers cortisol, the stress hormone, and can ease loneliness , lift mood, and make people feel more supported overall (National Institutes of Health, 2018). This isn't just feel-good fluff; it’s biology.
Something else that doesn't get enough credit is the structure a dog forces into your life. They need to eat, walk, and they need you , regardless of day or night, or whether you feel like it or not. And for someone going through a hard time or experiencing grief , depression , or a season of life that's just worn them down, that daily pull can be genuinely lifesaving. You get up because they need you, and then you're up. And somehow that's enough to start. It can also enhance and even complete the lives of people already in a good place.
Now, with regard to rescue dogs in particular: There's just something different about it. Maybe it's the meaning baked into the relationship from the start. You're not browsing puppies online, but instead you're choosing an animal that has already lived some kind of hard story of loss, neglect, confusion, or waiting. And so many rescue dog owners describe this feeling, almost impossible to put into words, that their dog knows. You can feel the gratitude in the way they attach to you, in the way they follow you from room to room. And seeing them visibly relax and their personality come out is heartwarming.
We know that safety changes nervous systems in animals, just like in people. In a dog who has been through instability and then lands somewhere consistent and loving, that bond tends to run deep. They hold on. And honestly, so do we.
Additionally, doing good actually makes us feel good, in a very real, documented psychological way. Research has found that altruistic behavior consistently increases happiness in the person doing the helping (Weiss-Sidi & Riemer, 2023). Helping, caregiving , and feeling like you're part of something that matters are tied directly to well-being. When you rescue a dog, you're on the receiving end of a lot of love. But you're also giving it. That back-and-forth is where a lot of the magic lives.
Dogs are also just really good at being present and helping you stay present. They don't know about your unread emails or the embarrassing thing you said at a party in 2018, or that you bit your dentist and jumped out of the chair while partially sedated for a procedure. They know you're here, right now, and that's enough for them. There's something almost therapeutic about spending time with a being that operates entirely in the moment. It really can rub off on you.
Some rescue dogs can come with challenges. Some have behavioral issues from past trauma , some need extra time, extra patience, extra vet visits. But the truth is that so can purchased dogs. Adopting a dog is a real commitment, and going in with eyes open matters. But more often than not, the return on that investment is hard to overstate.
I've heard people describe their rescue dog as the reason they got out of bed after a devastating loss, or the reason they started walking again or laughing again. I've also heard people say rescuing a dog brought more love and gratitude into their lives than they expected.
Healing and happiness don't always look the way we expect. Sometimes it shows up with four legs, a wagging tail, and a past that needed you just as much as you needed it.
Nagasawa, M., Mitsui, S., En, S., Ohtani, N., Ohta, M., Sakuma, Y., Onaka, T., Mogi, K., & Kikusui, T. (2015). Oxytocin-gaze positive feedback and the coevolution of human-dog bonds. Science, 348 (6232), 333–336. https://doi.org/10.1126/science.1261022
National Institutes of Health. (2018, February). The power of pets. NIH News in Health . https://newsinhealth.nih.gov/2018/02/power-pets
Weiss-Sidi, M., & Riemer, H. (2023). Help others — be happy? The effect of altruistic behavior on happiness across cultures. Frontiers in Psychology, 14 , 1156661. https://doi.org/10.3389/fpsyg.2023.1156661
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Rachel Needle, Psy.D., is a Licensed Psychologist, Certified Sex Therapist, and Co-Director of Modern Sex Therapy Institutes.
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This article is part of the Bringwise Psychology Journal — daily insights on human behavior, mental health, and personal growth.