How do we know that forgiveness of sins brings happiness?

The connection between forgiveness and happiness is rooted in a restored relationship with God. As stated in Romans 5:1, 'Therefore, being justified by faith, we have peace with God through our Lord Jesus Christ.' This peace allows believers to experience joy, as they are freed from the burden of guilt and sin. David's experience in Psalm 32 further illustrates this, indicating that confessing one's sins leads to a profound sense of relief and joy. Thus, true happiness is found not in the absence of sin, but in the presence of God's grace through forgiveness.