Speaking as a family that had only one cat before the children arrived, and she was only really here because SIL needed a home for her. Since the DC were born we've aquired fish and rats and a replacement kitten for our old mog. I don't think any of that would have happened if the DC weren't here. We've lost some pet rats recently and I want to replace them. DC don't reallyb .
Do you subscribe to the view that pets are for the children?