Frontline has a great documentary about solitary confinement:
http://www.pbs.org/wgbh/pages/frontline/locked-up-in-america...
Without giving too much away: watch as the criminals they feature walk into solitary confinement with sentences of weeks or months with the attitude of, "This is nothing. I'd prefer it here". Witness what it does to them.
Frontline has a great documentary about solitary confinement:
http://www.pbs.org/wgbh/pages/frontline/locked-up-in-america...
Without giving too much away: watch as the criminals they feature walk into solitary confinement with sentences of weeks or months with the attitude of, "This is nothing. I'd prefer it here". Witness what it does to them.