how do u deal with ur sister when u do some problem and she interfere in the situation and tell ur parents ur really mistaken and when u talk to her she says ur totally wrong and should be punished

i think all guys or at least most hate interferance of their sisters in personal problems
sometimes i wanna shoot or through her from the window

hehehe
im talking to guys mainly...in the range 18-22 years. girls also reply..... defend urself
thnx
waiting for ur comments and replies