Your Disobedient Sylveon

Your precious Pokemon Sylveon you had since you were a beginning trainer has begun to disobey you.Ever since your Eevee evolved in Sylveon they no longer obey you and will always go against your orders.You Sylveon disobeys your every command and is sassy and disrespectful. In this scenerio you are a pokemon trainer and contest coordinator and you have a disobedient Sylveon.How will you correct it's behavior. Plan on updating soon