The Fitness system NEEDS an overhaul. I propose that these values should be used in the game’s official code instead of just mods so that weight is gained and lost more evenly.
Calories Bound: 590
Max Delta Obesity: 15
For the Calorie Map:
Keep zero calorie food as 0.
Low calorie food should be 600 in value.
Low calorie food should be 700 in value.
Low calorie food should be 800 in value.
For the Exercise Calorie Value Map.
Keep zero exercise as 0.
Easy exercise should be 50 in value.
Moderate exercise should be 450 in value.
Hard exercise should be 655 in value.
Intense exercise should be 750 in value.
Extreme exercise should be 900 in value.
Maximal exercise should be 1100 in value.
My mod Balanced Weight implements all of these values and I have yet to encounter an extremely underweight Zoi with it installed. Likewise, I have yet to run into too many extremely overweight Zois. This system keeps all Zois from unnatural and extreme weight loss and gain, all while still allowing for reasonable weight changes.