Troubled with the people around me.

Well I have met many a number of people but only a few of them would understand my feelings and behavior. Some are close ones I have known for years and some others are just friends or pretending . I am sick of these.Once they fail that they choose to hate or hurt me .(I presume) that's because I am a difficult person to be understood and I don't follow their line of thinking and I go on in a different way.( here I doubt my mental health). And those people end up hurting me almost all the time they fail to understand me . I know I also have some behavioral issues like I don't sometimes want to see a persons face and ignore them even if they look at me but I don't know how to change because it has to do with something that's unalterable . This has not been understood by anyone as an explanation for that matter. How do I deal with those humans and supposed to change my confidence in my self and my attention to others? I can't concentrate on my studies. I am thinking this issues always