God is essentially—in reality—different from us: He is One, but comprised of Three Persons: The Father, The Son, The Holy Spirit. All functioning in perfect unified harmony but with distinct separate functions and roles. That kind of being is completely unfamiliar and foreign to us. So, God is mysterious and confusing in essence and we struggle to relate to him in his unique Persons. Jesus is God, the Son. So, in clarifying himself, Jesus is clarifying for us how we should relate to God.
So, put more specifically, “How should you relate to God, the Son?”