Drink more barley porridge.
It would be best if it could be combined with yoga.
100 days, losing 20 kg should be no problem.
The craziest time I lost weight was eating apples for a month.
Don't eat anything else, not even other fruits.
Grapes, in particular, contain too much sugar.
Hunger means eating apples.
In less than 2 months, I lost 15 kg.
But it hurts the stomach, so it is not recommended.