What's wrong with me?

Its like you are introvert and that ok. Many people are. Its not necessary that you always like being in public. You have your own little world so thats ok. You hang out with whom you like so cant be called anti social. Its better to be in company of them who loves you and whom you love than to be in company with hypocrates who are good on ones face and speaks bad at his back. You are quite normal dear.