When they returned to their father Reuel, he said, "How is it that you have come back so soon today?"
They said, "An Egyptian helped us against the shepherds; he even drew water for us and watered the flock."
He said to his daughters, "Where is he? Why did you leave the man? Invite him to break bread."
Moses agreed to stay with the man, and he gave Moses his daughter Zipporah in marriage.
She bore a son, and he named him Gershom; for he said, "I have been an alien residing in a foreign land."
References for Exodus 2:22
After a long time the king of Egypt died. The Israelites groaned under their slavery, and cried out. Out of the slavery their cry for help rose up to God.
God heard their groaning, and God remembered his covenant with Abraham, Isaac, and Jacob.
God looked upon the Israelites, and God took notice of them.