I'm not quite sure about the meaning of this... From what I can gather, she talks about have casual, no strings attached sexual relationships (perhaps to create a particular image for herself - "it's all for show"?) but then starts developing feelings for one of them, and tries to block the feelings out because she knows it will ruin the casualness of their relationship, but at the same time, she's wondering why is it that it's wrong to fall in love.
I'm not quite sure about the meaning of this... From what I can gather, she talks about have casual, no strings attached sexual relationships (perhaps to create a particular image for herself - "it's all for show"?) but then starts developing feelings for one of them, and tries to block the feelings out because she knows it will ruin the casualness of their relationship, but at the same time, she's wondering why is it that it's wrong to fall in love.
That's just my thoughts on it, though :)