Your metabolism is normal, and you are fat because you don't shut up. You are sub-healthy, that is to say, you exercise less and lead an irregular life. Get up early to drink water, have a good breakfast and have more varieties. Eat half an hour after getting up, not later than 9 o'clock. Eat at noon 1 1:30. Eat vegetables first, then meat, then staple food. 16 extra meals, preferably fruits, don't eat high-calorie fruits. Eat in the evening/before 0/9 of kloc. Three meals a day, seven meals at a time. Run for half an hour at a speed of 3 kilometers every day.