Unconfessed Sin and Bone Diseases - Get Forgiveness from God

Some sicknesses, I believe, are spiritually related. The Bible especially relates diseases of the bone to un-confessed sin.

David says in Psalm 32 about the time when he remained silent about his sins and hoped everything would eventually go away, but his bones began deteriorating as he continued to hide his sin.

When I kept silent, my bones wasted away

 It is not good enough to be a good person. No matter how good we are, our goodness will still measure up only to filthy rags in the presence of a Holy God! We might be doing everything right, everything good, beneficial for others but if we do not have forgiveness of our sins through believing in Jesus Christ's death and resurrection, we will not see God. No wonder all other religions don't have a clearly defined end for the people who believe in it. Some believe, the person keeps on going through the cycle of birth and rebirth till they live one perfect life and find moksha (get rid of their cyclic life). Some believe they need to get rid of certain types of people on the earth in order to achieve their salvation! Only Jesus said "I am the Way, the Truth and the Life! No one comes to the Father God but through Me. How then can we find peace with a Holy God? David says in Psalm 32:5

Then I acknowledged my sin to you
    and did not cover up my iniquity.
I said, “I will confess
    my transgressions to the Lord.”
And you forgave
    the guilt of my sin.

Why is this the way to do it? Why not just concentrate on doing a lot of good things here on earth and then ask God if this is good enough for Him to take us into His Kingdom? This would not work for about 3 reasons that come to mind

1. God is the Creator of all things and He is the lawmaker and none of us are above(greater) than His law so we cannot bend it to suit ourselves.
2. God is so Holy, an all consuming fire. If we think we can put our hands in fire and hope it does not burn aren't we being foolish? The nature of fire is to burn anything that comes in contact with it! God is Holy and this anything that comes in contact with it and is not Holy will be consumed in His Holy Fire!
3. By ourselves, there is no way that we can ever break out of our sinful life, which obviously God knew we could not so He had a plan (and always does) and sent His Only Son Jesus (equally Holy, equally God, equally human) to suffer the wrath that would have otherwise come on us because of God's nature of Holiness. Only God can handle God's wrath! Only God can create a heart of Holiness in us! Only God can cover us in His sheet of righteousness so He could come near us, without consuming us in His Holy Fire, just to commune with us like He loved to with Adam and Eve in the cool of the day.

God's call for being Holy is His call to restore our fellowship with Him! He has taken all the initiatives needed for us to be restored to Him, unhindered! All that we have to do is accept His sacrifice for us, acknowledge His plan for our salvation through Jesus Christ alone and be restored in fellowship with Him. If it be hard for you to grasp this fact, lets read Psalm 32:8 

I will instruct you and teach you in the way you should go; 
I will counsel you with my loving eye on you.

 God longs for you to commune with Him, way more than you can ever imagine!