The game is meant for multiple playthroughs and I'm adding features in v2 to customize your new game+ experience. I am also considering adding notifications for certain types of events.
There can be some strange behaviors if you've edited your save file. Change it at your own risk. The 99 stat cap is intentional.
Stress doesn't increase from mood. At high mood you have the option to reassign your workers more times each day which can add extra stress but isn't necessary. Stress is capped at 5 and mood is capped at 7.