You shall not touch Jehovah's anointed does not mean to do nothing and stand idly by, it is the confidence that God will do, it is the hope of seeing the conviction fulfilled that God took our life, and He sets the agenda.
The reason why the man and woman of faith cannot understand God's plans is because of the character of disobedience and rebellion on which they build their life and ministry, because in their religious search for God, they seek one that will meet their own needs,
The answer helps us to understand the faith of both, and the extent to which they exposed themselves by caring for the Revelation that God had given them.
Tithing is not an obligation, it is not a commandment, not even a responsibility before the Lord; whoever learns to define tithing in these terms sooner or later ends up seeing the tithe as a heavy burden from which he will seek to escape.
Reuben was the result of God's decision about Leah, God determined Reuben's birth because of Jacob's contempt for her, so Reuben's name is a prophetic name,
So, God wants to Reveal to us His mysteries, and because He has so disposed. Man's initiatives, his religious rites, his executions scrutinizing other books, etc., only hinder the process and alienate the person from the divine initiative.
So, there is a process of preparation for exposure to Revelation, but it is not man-made, on the contrary, it is a process developed by God to unveil how worthy a person is to contain His mysteries. Man can do nothing to ensure that God will entrust His Revelation to him. In this whole process we can prove the presence of the mystery of God's love.