Hello dear ,
It's a case of self-centered mechanical disorder. It's not exactly a disease or a thing to be worried about. Actually you need more care and love and affection with proper nutritional and emotional support. It will take some time you should be engaged in continuous counseling with Dietitian and Nutritionist.
Next Steps
I need your more details so I will be able to help you out of these situations. You can consult me on practo during my slot time 12:30 -2:30pm and 7pm - 9pm if you want .
Health Tips
Make friends talk with them freely.Meet new person very patience fully.Take proper balance diet. Be ready for every situation all the time. Make your self more confident . When your confidence level be high you will not get nervous anymore. Thanks to share your query here.
Wish you a god health
have a nice time.