Agreed. I, an American, have a small family and have many "adopted" family relationships - an ex of my mother I call uncle, his ex wife incall grandma, etc. It

Agreed. I, an American, have a small family and have many "adopted" family relationships - an ex of my mother I call uncle, his ex wife incall grandma, etc. It works out and no one is surprised or confused when I clarify they aren't really blood family.