Being a mad researcher - first at a science research lab, then at a marketing research company, - I present a couple of findings that I trawled from the Net:
eltea.livejournal.com/2139.html - very interesting and well-done presentation on popularity of different pairings by
eltea www.fanfiction.net/s/4528442/1/Dramione_The_Truth_Behind_The_Obsession - I loved these thoughts on Dramione psychology