2, but you can't eat meat during weight loss. You can eat some chicken breast or beef at noon, which can supplement carbohydrates for your body without increasing fat, but it is best to eat boiled meat, and don't put too much seasoning such as oil and salt.
3, weight loss can be improved by aerobic exercise such as running or swimming, which can promote fat burning in the body. It needs long-term persistence to be effective, and attention should be paid to adjusting diet.