http://s808.photobucket.com/albums/zz6/osiris_loves_isis/?action=view&current=worldmap.jpg#!oZZ1QQcurrentZZhttp%3A%2F%2Fs808.photobucket.com%2Falbums%2Fzz6%2Fosiris_loves_isis%2F%3Faction%3Dview%26current%3Dworldmap.jpg

去看了看这种sibling相爱的人的论坛的讨论，看到my sister and I...感觉不知道怎么说...得慢慢消化一下...
http://www.geneticsexualattraction.com/forum/showthread.php?t=1103
http://www.geneticsexualattraction.com/forum/showthread.php?t=1103