so painful

Today i go to SGH to do my check-up but, end up i went for blood test and x-ray and so on so tiring the blood test is so so so so painful it's really painful i can't take it but anyway i reach home at about 2 plus and do everything i am asked to do it's so irritating why am i supposed to do everything i am asked to???? why must i do what my mother asked me to???? why can't i go out with my friends while my elder brother can???? why?????