Any young individual can have these symptoms due to the transition phase of life happening at this age. Don't be worried about people criticising your weaknesses. Take that in your stride and move forward in life. Keep targets in life long term one and short term ones to achieve.
Next Steps
kindly do yoga and relaxation exercises. Have time for playing and for yourself. Avoid smoking and alcohol if any. Maintain a proper sleep and diet pattern.
Health Tips
If you still feel to have symptoms kindly consult a psychiatrist.