A joke about a guy's first day in prison, from the first joke book I ever owned. Jim arrives at the prison where he has to serve out his 10 year sentence. After the formalities involved in processing, he was shown to his cell, which he had to share with another inmate. Overwhelmed by the thought of spending the next ten years in this miserable place, he spends most of the day in bed staring at the ceiling. At 10 PM, the guards conducted roll-call, locked all the cells, and turned off the lights.…