When you begin to pray if there is any sin in your life, God will communicate that. He will not hear your prayer if there is sin in your heart. You must first completely turn from that sin, and turn to God in order for Him to hear you. Ask Him to wash you and fill you up with His holiness. If there is sin in your life, as soon as you begin to pray, He will bring something to mind. Pay attention to it. Listen to what He says about it, and what you should do to fix it. Then obey.
Be humble. Search your heart for traces of pride, entitlement or presumption, and eliminate them. Examine the dispositio