Well, I'd be kind of weirded out if one of my guy friends (or girl friends, but that would be cool!) started dating my sister..but then again she's older so I don't think she'd go for it........
I guess it depends how close your friend is to his/her sister
"It's a great feeling of power to be naked in front of people. We're happy to watch actual incredible graphic violence and gore, but as soon as somebody's naked it seems like the public goes a bit bananas about the whole thing."