nobody learned anything about -- this is robert geiger, an automechanic, took the 40-day and 40-night. what did you learn about yourself, robert? >> i learned i wasn't a terrible person. >> glenn: weren't what? >> a terrible person. i took the challenge mostly for my life. i treated her horribly for years. i've been carrying around anger and i shut myself down and i've been blaming her for everything. i've seen our marriage slipping away. it woke up one day and my heart was breaking. i haven't even told her this yet. i was going to take her to dinner and tell her this. i want her to forgive me for the pain i caused her all the years and hopes she gives me a chance to make it up to her for the rest of our lives. >> glenn: why? what made you believe that you -- what made you believe you were a bad person or you had to be the person that you were? just life that -- >> when i was seven, my father got sick. i didn't see him for almost a year at all hardly. then he died when i was only 20. i never got a chance to be a friend to him. and we were -- but he was a very strong man. his faith in