Continuity mistake: When the movie ends, Moses places both hands on Joshua's head. From the opposite angle they're away. (03:43:50)
Continuity mistake: When the movie ends, Sephora rests against Moses' shoulder and places her left arm on his body. From the angle shot from behind, she is away from him and her left arm is signaling the horizon. Back to the front shot, and she is in the previous position.
Answer: She was a woman scorned. Yes, she loved Moses, but Moses turned his life away from the royal life of Egypt (and Nefertiri's love) to be with his people, the Hebrews, and serve the will of God. These were far more important reasons to Moses than living a lush life as a prince of a people he was not connected to by blood or lineage.
Scott215