We paralyze ourselves in our own thinking. Continually condemning ourselves for a seemingly major sin or even and occasional slip up is certainly not trusting in the One Who died to take all our sins away. We act as though Jesus will not forgive us for we won't forgive ourselves. Listen, we can't save ourselves. We have to have Jesus do it for us. You couldn't pay for a single sin by running around depressed all the time. David wrote in Psalms 103:2 "And forget not all His benefits; and who forgiveth all thy sins" . See we should use a little more faith and start acting like we have God's Mercy when we blow it. We have God's Mercy! Stop acting so pitiful and start rejoicing that your sins are forgiven no matter what you have done!