"sista"?

sista you were the person i admired the most you always came out on top others weren't even close you took on the pressure of any situation the role you took was without hesitation i felt that i would always need you for guidance i looked at you as my secret alliance there were times i felt you were unfair about lots of things but you taught me thats all life means you started growing older and wiser i started seeing a house full of liars it was six kids in a house no father no mother it was like all we had was each other man please that was a big front da whole time you left da house with just a drop of a dime fights breakin out between you mama and daddy everytime ya'll fought it was over somethin petty our daddy wasn't nothin mama felt she had to become somethin wen you moved out it was the best thing for you but what about us we was struggling too wen daddy finally came back into the picture we had to go then here you come cuz you wanna use us sum moe wen daddy came back mama left ya'll robbed me personally of happiness it was known theft well that was the past lets take a look at the present mama and daddy here sorta i guess thats a blessin im eighteen years old and now you tryin to interfere in my life where were you when i needed advice im the only one in our family doin the best with what i got everybody is havin the luck when all i have is the have not sista how could you agree with me one minute cuz our situations is similar and when you get on all of sudden my choice in your eye's has gone dimmer you so hypercritical i will never take your advice it dont matter if you think it could save my life i dont hate you i just despise you a lot im not a toy you get out the cracker jack box when i move away i will not open my mouth to tell you or anybody else where i'll be ok cuz im with somebody who actually cares man ma life just went through a twista but thanks for savin me "sista"?