Happiness comes when the love, life and lineage function in unity centering on God. When you meet your lover, both your faces become flushed because the life from each other comes and goes between you. Love, life and blood lineage are always together. Liberation comes when we keep one love, life and lineage directed towards happiness centered on God. We should be liberated from Satan's love, life and lineage.
Unification comes from the liberation from the false love, life and blood lineage.
The Messiah's priority is the pursuit of the liberation of love, life and lineage, not the pursuit of money, power or knowledge. Liquidating the satanic blood lineage can only be accomplished by doing it for others and for God, not for the self. Therefore, the blood functions because of love. Building a house is difficult, but once we have built it, we can sell it by only a contract. The new blood lineage can succeed if the parents' love and lives unite and fuse into one through the Heavenly Way.