You may have already caught yourself apologizing for it. I know it sounds silly. It was just a dog. Just a cat. And yet the house is unbearably quiet, you keep listening for sounds that aren’t coming, and the sadness is as real as any you have known.
There is nothing silly about it. Decades of research say so.
This Was a Family Member
Most owners do not experience their pets as property. They experience them as companions, confidants, and family (Cordaro, 2012). One study found that highly attached owners reported a closeness to their dogs equal to their bond with their mothers, best friends, and siblings (Behler et al., 2020). Research consistently shows that the strength of that attachment predicts the intensity of grief when the animal dies — and that when the bond is strong, the grieving process closely resembles bereavement for a human family member (Cordaro, 2012; Field et al., 2009). An animal who loved you without condition, who structured your days and shared your home, has died. Grief is the expected response.
A Grief Without Permission
What makes pet loss uniquely painful is not only the loss itself but what surrounds it. Researchers call it disenfranchised grief: mourning that society does not openly acknowledge or support (Behler et al., 2020; Spain et al., 2019). There is no bereavement leave for a dog. No one brings casseroles when a cat dies. Many mourners hide their grief for fear of being judged — and that hiddenness is itself harmful, linked to greater distress, reduced quality of life, and fewer of the supports that help grief resolve (Spain et al., 2019). Sociologists note that our culture quietly sorts lives into those considered grievable and those considered merely “lose-able” — and pets are too often assigned to the second category, whatever they actually meant to us (Redmalm, 2015).
“Counselors who acknowledge and validate the implications of pet loss will help to re-enfranchise an undervalued grief.”
— Cordaro (2012), Journal of Mental Health Counseling, p. 283
The Particular Weight of Euthanasia
Pet loss often carries something human loss rarely does: you may have chosen the day. Even when euthanasia is clearly an act of mercy, research finds that lingering doubt about the decision predicts stronger grief, and that guilt — did I do enough? did I wait too long, or not long enough? — is one of the most common threads in pet bereavement (Field et al., 2009; Testoni et al., 2017). Owners who felt informed and supported by a sensitive veterinarian fare measurably better (Testoni et al., 2017). If you are carrying guilt, it is worth saying plainly: choosing to end suffering is an act of love, and the doubt you feel afterward is evidence of how much you cared, not of wrongdoing.

What Helps
The research points consistently in one direction: grief needs acknowledgment. Speaking openly with people who understand — a pet-loss support group, a counselor, friends who knew the animal — counters the isolation that disenfranchised grief creates (Chen et al., 2022; Cordaro, 2012). Memorializing matters too: a marker, a photo album, a ritual of goodbye. Continuing bonds, religion or personal meaning-making, and, in time, relationships with other animals are all documented, healthy ways of coping (Chen et al., 2022).
You Are Not Mourning Wrong
Grief is proportional to love, not to species. You shared years of daily devotion with a being who depended on you completely and greeted you like the center of the world. Of course it hurts. Let it be what it is: real grief, for a real loss, of a real member of the family.
References
- Behler, A. M. C., Green, J. D., & Joy-Gaba, J. (2020). “We lost a member of the family”: Predictors of the grief experience surrounding the loss of a pet. Human-Animal Interaction Bulletin, 8(3), 54–70. doi:10.1079/hai.2020.0017
- Chen, J. P.-R., Chang, S.-W., Lee, M.-B., & Wu, C.-Y. (2022). Grief and coping of the owner toward pet loss. Journal of Suicidology, 17(4), 319–324. doi:10.30126/JoS.202212_17(4).0011
- Cordaro, M. (2012). Pet loss and disenfranchised grief: Implications for mental health counseling practice. Journal of Mental Health Counseling, 34(4), 283–294. doi:10.17744/mehc.34.4.41q0248450t98072
- Field, N. P., Orsini, L., Gavish, R., & Packman, W. (2009). Role of attachment in response to pet loss. Death Studies, 33(4), 334–355. doi:10.1080/07481180802705783
- Redmalm, D. (2015). Pet grief: When is non-human life grievable? The Sociological Review, 63(1), 19–35. doi:10.1111/1467-954X.12226
- Spain, B., O’Dwyer, L., & Moston, S. (2019). Pet loss: Understanding disenfranchised grief, memorial use, and posttraumatic growth. Anthrozoös, 32(4), 555–568. doi:10.1080/08927936.2019.1621545
- Testoni, I., De Cataldo, L., Ronconi, L., & Zamperini, A. (2017). Pet loss and representations of death, attachment, depression, and euthanasia. Anthrozoös, 30(1), 135–148. doi:10.1080/08927936.2017.1270599