"Faith is permitting ourselves to be seized by the things we do not see." --Martin Luther Do you ever wonder whether you're really a Christian and cling to what's left of your faith when you feel like an outsider -- even among other believers. Have you ever doubted your faith? Have you ever, deep down in your heart, doubted that God was really present in your life? Or wondered whether everything you believed in as a Christian was false? Call it existential...