Explain that your exercise intensity is inconsistent with your physical state, and the exercise intensity is beyond your body's tolerance. Stress can also affect menstruation. Deciding to lose weight has virtually put pressure on you. I put it off for two months, and then she came by herself. Don't think about her, and don't worry. She will come by herself, but she will go to the hospital if she doesn't come for three months. She will have amenorrhea and need to see a doctor. Not since three months ago.