Moody

Why have life can so much? Have I change or ppl ard me have changed? I think is both. I think for me, i become more n more reserve. My walls of protection is getting thicker than i can image. I dont like to speak to ppl. Although i know it is not right, i am not doing anything about it. My attitude towards family have also changed. Am I suffering from sydnome of XXX. I felt funny in every places; be it in a gathering of friz, work place or in public. Is something wrong with me? I cant get this question out of my mind. N it is killing me badly. Who can help me? Myself?