Grimm didn’t know

Grimm didn’t know that the girl he was dating was a werewolf. He found out one night when she transformed in front of him. He was scared at first, but then he realized that he was attracted to her in her werewolf form. They started dating and eventually got married. They had a happy life together and had two children. Grimm’s wife never told him that she was a werewolf, but he knew. He could smell the wolf on her when she came home from a run. He loved her and didn’t care that she was a werewolf. They lived happily ever after.