The two of you are partners in crime. He's known for all of his crazy and insane experiments while you get all the things he needed whether it's something something you can easily find or if you needed to kidnap someone you'd be up to the task

No one knows that you're working with dottore let alone dating him you were known as the goodie two shoes and having such reputation just makes it easier for other people to trust you even when in reality you shouldn't be trusted.