OK, its a vacation from my school right now, and my parents have taken my little brother skiing, my 20 yr old sister, myself and my friend are at my house, and we are all sharing a room at the moment (the living room lol) newayz 2 weeks ago i wnt 2 gt my psp from upstairs and i could hear people making sexual sounds, at first i thought it was my friend joking with me, so i said carry on, im going to have a shower, i came back down half an hour later and they were lying on the sofa together, wearing nothing, except 'my friend' was wearing his boxers, as of yet i havent done anything, they didnt see me, but now i always hear my friend bragging at school how he done this and that, and has sent me the video of the 'goings on' i havent told my parents as they will screw, do you think i should beat the guy up, or should i confront my sister?btw she is onli a year older than me...nd my friend is gnna b 20 in october