There's been some research in cognitive science I'm told that discloses that there have always been perhaps 10 to 15 percent of people who are as Pascal puts it so made that they cannot believe. To us when people talk about faith it's white noise.
If I'm not writing well I'm not happy. If I'm not spending enough time with my family I'm not happy. If I'm not connecting to friends or if I don't work out enough... You get the point. Everything has to be balanced. Nothing should be an extreme.