you either you have a problem with either catching you sister haveing sex
http://pixies-place.com/forums/show...&threadid=10065
or finding movies of your sister vidoes having sex
or you just have fantsy about your sister a lot

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it's only kinky the first time

it's not the orgasm but getting there thats fun

a shot in the bush is worth two in the hand

whip me, beat me, tie me up, break my arm, but please don't break my heart

"The trouble with the world is that the stupid people are cocksure and the intelligent are full of doubt" -Bertrand Russell