Many thanks for reporting this, you're right, the exercise actions weren't causing enough weight loss. I've just released a small update (version 3.3) that fixes this and also adds a further buff to calories burned when exercising alone. I plan to revise how this all works soon to make it more interesting.
TY,
tried it and:
Loss per session seems to be ~ 0.3 kg (i'm german so i use kg)
With the buff when doing it alone ~ 0.5 kg
Sry for the whining but that is still very little ;)
like 0.7 - 0.9 would be cool imho ...
While i'm at it:
Could not figure out how it works to get girls off the donut addiction.
They ask for donuts i turn them down they ask again - repeat.
The addiction disappered temporarily but then came back - no idea what causes what here - i'm lost here (?).
No problem, I've just released another small update (3.4) that doubles the number of calories burned for all exercise actions. Solo jogging & swimming burn the most, so go for those if you're looking to slim down your player character.
You can unlock the Dizzy's addiction cure via the level 19 'Dizzy's Detox' upgrade. Once unlocked take the girl on a date to the doughnut shop and you will find a new option available.
As you found out, addicted girls will often demand that you go to Dizzy's with them. They'll also passively gain weight in the background from all the doughnuts they're eating when you're not around. If your shop is doing well & the town is starting to get fat, not only will many of the new girls you encounter be bigger, but they may also be addicted already.