Desperate to bring his parents back together, Cliff poses as a delivery driver to gain entry to Glory's house. Inside, he reveals his true identity and threatens Glory, calling her a "homewrecker" and ordering her to break off her relationship with his father.
Cliff's actions are driven by a desire to reunite his parents, but he resorts to deception and threats to achieve this goal. This highlights the conflict between love and manipulation in his pursuit of reconciliation.