The Jealousy triangles Deanxreader

Crowley the "King of Hell" is your ex. You have moved on and now you are in a semi-normal relationship with Dean Winchester. Hunting beside 2 of the most well-known Winchesters.
Everything is going well until Crowley shows up in your life again and he seems to want you back. To add more problems, you and the boys save a new girl who Sam falls for.
However how will (Y/N) and Sam react when this girl always end up in Deans arms and forces him to play the hero?