Lots of good points here.
Something to consider, we sit in our nice comfortable homes in front of a computer screen and we can come and go as we please in the duration of the sim.
IRL those guys were stuck in a tuna fish can with no real personal space let alone hygene, and some of them got pretty homesick after a good month at sea. Many needed the feel of sand beneath their feet etc.
Good skippers always looked out for the welfare of their crews. Something we as simmers, sometimes do not consider since we can TC all over the world if we wanted to.
Play for real. Your men need to get "home" once in a while to terra firma!