What can I do to make my life better?

Okay, here's a nice little introduction for you. I am 18, a sopre in college, and have been hospitalized before for...occurrences. I feel like I am loosing my grip on reality. I go from mad/angry, to happy (usually light headed and silly), to pessimistic/depressed. Not like it matters i'm telling you this because you all know what you are. Maybe I'm one too huh? Is this world real, are my thoughts real? what if they are already pre-existing and I just express them. I often watch movies/animes and wish my life were like that, swinging a magical guitar and stuff. I think that maybe this reality we are so accustomed to MAY be a program. If you watch closely you can see the environment glitch up and act irregular. For example, paved roads disappear when you look at them while driving sometimes. OH, go ahead and tell me I need to see a doctor and take a pill. Yea, that will definitely help that we are in an infinite universe we know little to nothing about, so small and helpless! I just hate how I make my girlfriend upset sometimes because of this....pooh. Maybe I need to invent something really nice that will do something spectacular aye? I have a hard time talking and connecting with people for some reason. Everyone around me makes it look so easy, always talking, making so much noise, hurting my head. do you see my delima?