Sister told friends i self harm?

[Natasha]

hi i use to self harm when i was younger my reason were if i hurt my self no one can hurt me more then i can my self my way of staying normal (in my own way) i told my younger cousin witch i should not of she was 3year younger and was very scared i blackmailed her not to say anything to anyone or id kill myself but as time went on she told her bf to and he told his friend and so on not long after that my family found out i thought i didnt want anyone to no but when it came about everyone knowing was so much better in long run.....im sure ur sister means no harm to you she must love her sister and feels scared she will loose you so she told people that way she keeping her head in check and wont crack up with that kinda info about her sisters pain x