wow that's really hard :) Greetings from South Korea :-)
Answer: lack of carbs or stress
Explanation: hope this helps somehow
During anaerobic activity, your body is burning energy with a lack of oxygen, so it reaches into your glycogen stores and burns glucose. Anaerobic activities like strength training also build muscle, which helps your body burn more calories at rest. All of this, increasing the rate of your metabolism
Depends on your blood level, weight, age, etc.
