Research confirms that while dogs may prefer a primary handler, they form secure attachment bonds with multiple people, meaning dogs in multi-person households can develop bonds just as strong as those in single-owner homes.
Dogs Who Sleep Touching You Aren’t Being Clingy — Studies Show Physical Contact During Sleep Is Consistent With Secure Attachment Not Anxiety
Why Dogs Who Live With One Person Bond More Intensely Than Dogs in Busy Households – Attachment Research Shows Undivided Social Focus Deepens Emotional Reliance