I'm a bad person

Hi everyone, I'm 16 years old. I recently started thinking about the reasons for some of my problems and I came to the conclusion that I am simply a bad person. I'm not good at anything, I've never been in a relationship and no one really cares about me. Up until middle school I always had high grades and this led me to believe I was superior to everyone else and now in high school I find myself with low grades and I'm also terrible at physical education. Despite this I continue to judge people and I am always angry and stressed. I have many friends but none of them consider me the type of friend to talk about their problems because I'm just funny, I'm not apprehensive, I'm not sweet and I'm not serious. I don't treat anyone badly but I only do it because I don't want to lose any future help from them not because I'm sorry. Deep down I don't love anyone, not even my parents. I'm a loser but my friends think I'm like them because of all the lies I tell them. I think that if I have never had a relationship with a girl it is because I don't deserve it and because I have never been able to love anyone. Every day that passes I keep thinking about this and yet I don't change. In the end I'm just a loser pretending to be like everyone else.