Psalm 37 deals with our response to evil and the evil doer. We are encouraged not to fret, be envious, or angry, and completely turn our trust over to God. Verse 4 of this Psalm tells us that when we delight in the Lord he will give us the desires of our heart. But wait, is God going to give me the desires of my heart, if they are evil desires? God can, and does, change our desires to align with His desires. Even in the midst of a battle that seems impossible, God can redirect where we find satisfaction. Practically speaking, each one of us must identify how we are drawn away from righteous desires and distracted or enticed by worldly satisfaction. Once we have specifically identified where we have the wrong perspective, we can start off the process of correcting our mindset with the promises of God. Spending time in prayer, reading the Bible and memorizing the Bible are all ways to draw closer to God. By faithfully trusting God, our hearts can find true and rich happiness.