It seems that u lack self confidence and self esteem. That is why u feel insecurity in all aspects of life . U have to find all points and causes why ur confidence is getting low then u must resolve every problem. If u need external help then consult psychologist online or offline and learn how to cope up such situation in life and increase selfconfidence. Feel free to contact....

Good to hear that you are trying to maintain good relationship with your  friends. But you cannot expect the same. Each person will have different personalities.Try to adapt to everyone which would definitely help you.