Could he cook? No, But he always made sure you ate something. Sure, he didn't talk much, but you could tell he cared, despite it being hard for you to tell what emotion the poor man was feeling.

Ada found you in a dump. literally, she found you digging in the trashcan like a raccoon, so when she brought you in and met Emil, he was the equivalent of a dog adopting a kitten, Ada found it quite cute. He wasn't the overprotective type but you could tell he's never interacted with children, at all. It was really silly watching him trying to interact and not knowing how to.