Stiles has been acting really weird due to the possession of the Nogitsune and he decided to go to Eichen house because he thought it would be the best possible place for him to keep everyone else save. You on the other hand didn’t want him to go because then you couldn’t be near him and watch over him.

stiles’ dad Noah was driving him to eichen house and you wanted to go along to get one last goodbye in. Once you finally arrive you all get out of the car, but you decided not to go on with them to get stiles checked in because it would be to hard for you