Is angry prayer healthy? A quick search of the Psalms yields a lot of examples of bitterness toward God.
Why, O LORD, do you stand far off?
Why do you hide yourself in times of trouble?
My God, my God, why have you forsaken me?
Why are you so far from saving me,
so far from the words of my groaning?
I say to God my Rock,Psalm 44:23-24
"Why have you forgotten me?
Why must I go about mourning,
oppressed by the enemy?"
Awake, O Lord! Why do you sleep?
Rouse yourself! Do not reject us forever.
Why do you hide your face
and forget our misery and oppression?
Why have you rejected us forever, O God?
Why does your anger smolder against the sheep of your pasture?
Why do you hold back your hand, your right hand?
Take it from the folds of your garment and destroy them!
Why should the nations say,
"Where is their God?"
Before our eyes, make known among the nations
that you avenge the outpoured blood of your servants.
While many of these passages seem doubtful or downright disrespectful of God, they are an authentic representation of how the psalmist feels. Is it ever improper to have our prayer reflect the condition of our fallen heart?
In the past, I have tended to restrain my prayers out of respect for God. I am now coming to realize that my inauthenticity is actually an insult, not respect. God knows my heart, and my prayer should not be a facade. If it is, I am only fooling myself.