what am i in my family~(seriously)

family member: father,mother,sister,me ,little sister~
partner : father + little sister= partner 4eva
partner : mother,+sister =sharing their fun~
me?no no no~i have no partner in family ,i am S.O.L.O~
MAYBE SOLO IS GOOD FOR ME~
IF MY LITTLE SISTER SAD ,FATHER WILL BUY SOMETHING 4 HER ~
IF MY ELDER SISTER SAD,MY MOM WILL MAKE HER SMILE LIKE A DUMP ASS~
IF ME ,NO NO NO,AS I SAID,I AM S.O.L.O~
U KNOW WY I WRITE THIS STATUS,COZ I FEELING SO SAD RITE NOW~
JUST GET SCOLE BY MOM 4 NO REASON WHY~
MAYBE MY LIFE LIKE THIS~
MAYBE I AM JUST A STRANGER...