Obedience is the first law of heaven,when we live in Premortal life meaning Pre-exestence,we live as a sons and daughters of God as a spirit before we born here on earth.God command us to obey His Commandments,those who obey have the promised blessings,to search more clearly about this I invite to come unto Christ by logging on www.come unto Christ.org,they can have more answers to your question regarding this matter.