i just dont understand why!!

i just dont understand why,
sometimes i can be so stupid listen to u...

i just dont understand why,
i still treat u so good even though u always scold me....

i just dont understand why,
i still drive u anywhere when u ask for it....

i just dont understand why,
i still can be patient and listen to u....

i just dont understand why,
u take for granted when i drive u to places u wanted to go...

i just dont understand why,
i still will accompany u when u always take for granted...

i just dont understand why,
i became ur sister...

i just dont understand why!!!
and im not happy being at home!!!!