Four on the flight deck - those were the days. Get airborne, into the cruise and put your feet up down the back to let your number 1 contemplate the solitude of command.
The solitude of command. Now I like that phrase. Except nowadays if you had four on the flight deck the chattering of all four doing their CRM stuff and fighting over areas of responsibility, and who is doing ICUS on HIS leg, would drive you bloody nuts.