We always underestimate the deceptiveness of our hearts. We live in denial all the time. We assume that since we feel good about our lives then we must be doing OK. But "The human heart is most deceitful and desperately wicked. Who really knows how bad it is? But I know! I, the LORD, search all hearts and examine secret motives. I give all people their due rewards, according to what their actions deserve." (Jeremiah 17:9-10 NLT) We must ask the Holy Spirit to search our hearts and allow Him to expose all our secret offensive, hurtful, wicked ways.