Thank you all for your responses. My college stresses Catholic traditions. We can't wear anything we like, we can't dye our hair, and stuffs teens want to. But it's okay, that's not the problem here. I mean, I'm in a situation that's really hard to fit in. Some students won't talk to me because they thought I was so unfriendly (maybe because I have that serious face look). And the people in my college seem like they take advantages to people. Because we strive hard to pass and to graduate, some of the students ask you for a favor never will say "thank you" at least. Then when you ask "Can you help me...", they'll answer immediately "Sorry, I'm busy."
Like, really? It's tight and suffocating here. Fraternity/sorority here is really bad. It's labeled here as "gang" you know like those riots and wars. And thank you for suggesting clubs because I think I should be getting one :) It's really hard to be alone when you think you don't deserve to be alone. I am a friendly person, I talk to different kinds of people whether they are believers or not. If I think I don't deserve to be alone, then it's not hard to make friends right? Thank you so much :)