Jealousy and envy are related but distinct emotions. Envy is wanting something that belongs to someone else, while jealousy refers to feelings of insecurity, fear, and anxiety over a potential loss. The document examines jealousy in relationships and how it can destroy lives if left unchecked. It provides biblical passages that discuss jealousy and how to overcome it by knowing our self-worth comes from God, not other people or possessions. The key is slaying the "dragon" of jealousy through spiritual strength and recognizing we are more than conquerors through Christ.