1) Moses married Zipporah, who was from a looked down upon nation, bringing her father Jethro into Moses' family. 2) Despite problems from his own people, Moses had great respect for his father-in-law Jethro and believed Jethro's plans were God's will. 3) At Kadesh-Barnea, when the Israelites faced a lack of water, they quickly forgot God's past help and turned on Moses and Aaron with complaints instead of seeking God, showing they had not learned from past lessons.