Actions of Both: Both John and Elizabeth Proctor are guilty of the break down in their marriage. They are both stubborn in their marriage and Puritan beliefs.
Events that Threaten the Relationship: John's relationship with Abigail Williams and Elizabeth's arrest for being a "witch" threatens the marraige.
Love and Understanding: Elizabeth's forgiveness for John's sin shows love and understanding.
Ultimate Strngth of the Relationship: When John confesses to his peer's about his relationship with Abigail and when Elizabeth allows he husband to sacrifice his life for the greater good at the end of the play.