If I do this can I get my suffering eliminated? Can I go directly to heaven?
We can only hope that someday we will go straight there!

But suffering is promised to followers of Christ: He Himself lived a life of complete poverty, He was persecuted and hated by many, and was tortured and put to death. The Apostles likewise suffered similar agony on His behalf, as have most (if not all) of the saints.
We are guaranteed the walk to Calvary and crucified, my friend, just as the two theives. We will all suffer. One of the thieves was crucified in his sin. The other thief cried out to Jesus, and was crucified in Him. So, too, must we seek to be crucified in Him.
He won’t give me understanding of why we’re punished for Adam’s sin. How is that loving?
Why won’t he talk to me? How is that loving?
I, too have struggled with desolation and difficulty over the problem of suffering and sin. A priest explained to me that we inherit our human nature from our parents. The Original Sin separated Adam and Eve from God. It was a natural result of the action Adam chose: to reject God, with full knowledge of the error of his action, and in a state of grace (we like to think of Adam as a childlike idiot; this was not so. His state of grace and freedom from concupiscence guaranteed he sinned fully aware of the error of the decision). He committed the first mortal sin, and it brought death into the world.
This sin became a part of Human Nature. We are afflicted by it because of our father Adam, not Our Father in Heaven.
As for desolation in prayer, ask Him. Ask Him for peace, ask Him for joy that cannot be destroyed. Ask Him for faith and hope. Ask Him to be perfected. Ask Him to reveal His love for you in a way that you may clearly see. Keep asking, my friend. I know it is difficult.
If I was, why am I being punished? God only punishes those who he is displeased with.
Suffering is often given to friends of God. As suffering and death became a means to our vindication in Christ, so have they become a means to our perfection here on this earth, and an offering to be unified with Christ’s perfect sacrifice. He is not displeased with you; He loves you more than you know. Ask Him to relieve your suffering, and if it is not possible, ask Him to help you bear it with joy.
My brother in Christ, I have been to the depths of great despair and depression. I have felt unloved and unwanted, and I have, and still do, struggle with sin and the mysteries of God’s love. And, though I pray I do not, I may fall into these lies again. But we must remember that they are just that: lies from pits of Hell. You must not surrender. Continue in Christ, and offer to Him all that you can. Offer it up for peace and joy, for relief, for strength, and for holiness. Ask Him to reveal His love to you. Ask the Holy Spirit to guide you in prayer, and the Blessed Mother to intercede for you and ease your suffering.
*(Additionally, if you suffer from depression, I would recommend seeking professional help, as I had this problem and medication has helped tremendously, though not as much as Jesus

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Seek a good confessor/spiritual director, continue to pray to God and receive the Sacraments, and place your trust in Him. You are in my prayers!