You rolled up your sleeves , the flesh there blue and brown and purple and yellow underneath faded ink . You closed your eyes , and you clenched a fist , and then you threw your arm against the blunt edge of the cabinet , again and again . You kept on going until the tears were rolling freely down your cheeks , until you were right at your pain barrier , pushing it and pushing it .
According to the above context, answer the following question.
Why might the person have been doing this ?


They want to punish themselves