well u can start by being friends with the security in their building cos as he is the one who holds the record of their room . and u can ask some question to him which one is the angel type and which one of the wild type.
my friends did tht and finannly he dated the 10 of the cabin crew in one building without they know each other..... lo0o0o0ol
wht i gave u now is a gr8 tip