Am I wasting my time with this girl?

ok there is this girl that I love a lot an care for but she has not called me in a week a in her past she has cheated on her ex dud that cheated on her an that was post to be the only reason why she cheated ok I thought well im not going to cheat so we should be coo but the first night we got together my cuzin kissed her after I did but she said she didnt use tongue but I guess she was pullin on his arm or sumthin like that while he was bout to leave but this girl hasnt called me for at least a week an I went to go see her an she looked like shit like shit been out kickin it a lot an when I got there I was wit her cuzin an she paid barely any attantion to me but she walked by me an said hi love you an I asked what you cant give me a hug or kiss an she said that she was sick an didnt want no kiss an I said well come talk to me she said she didnt feel like getting up ok what ever I left but she still hasnt called me her own cuzins are sayin that im wasting my time an that I should move on but I care for this girl a lot but then I talked to one of my ex’s over myspace an I told her that I use to love her an my girl read it an got mad an since then she been real shady so what should I do go talk to her or juss say f it an look for somebody else but what should I say if I talk to her I love her an every one say im to nice to her but im not mean to my woman because my dad is a woman beater so im real nice o an also this is the first girl I ever bought anthing for like a phone an flowers an s