I think she had alot to offer , much better than spending his life growing up with many different carers, she will make mistakes don,t we all ? Adoptive parents have so much scutiny , what if we all had to be assessed as parents.
It would be wrong to go out and buy another fish, its not the same , i he needed to go through grieving before thinking about another, as i felt he probably was still grieving for grandad.
just my thoughts anyway.