Think carefully about the composition of the variables for the savegame so that all savegames can be used until the end of development.
And keep your hands off the RPMG.
The morale of the mc has hardly any influence, I didn't notice it at first, but I set off anyway. It's a different story with the morale of the roommates. But you can also go off on your own. Then the free time and break bonuses also have an effect, but you shouldn't return home too late.