Hey im feeling pretty down right now?

well ive liked this gurl for about five months and she says she likes me alot , she doesnt know all much about dating cause shes never had a bf, and were both 19.......idk shes teasing me and the funny thing is she doesnt realize it. she likes me alot but doesnt wanna do anything and i cant leave herr cause i just wanna be her friend, but it hurts so much just trying to leave her, so i have to stay with her, idk im not feeling well i feel like my life sucks but it doesnt...i dont know what to do.. i lost car at in accident, ive been dating easy gurls in my past but im tired of that..i want someone that i like..everytime i date a gurl its cause the come on to me , and thats kool and all, but those gurls disapear from my life like.....im dead serious. over time i fall in love and they end moving to another state and my dumb in the says "its okay lets make the best ouy of the time we have" point is i never get the gurl i want, and when i do they disapear this happend like four times already :( and dont wanna date tramps i loved it back in highschool but its different now. ive changed and its not working out for me, i have such a drama life its not kool. im starting to think love just isnt meant for me :(((( im pretty down right now, usaully i talk to the gurl i like alot but i cant not this time, what can i do, im tired of moping around all day :( i dont wanna meet new girls cause i gave up hope, and i probably gained about 10 pounds since my car accident....any advice or somebody wanna tell me something to make me feel better?