its his posh , its his petrol , its his money. and i think he
can be xialan cuz almost everyone wld prefer a posh to a
mazda.
and between reving of engine and the middle finger i think the
middle finger is more Xialan, Guai lan and cfm Lao lan oh and its
rude....Hee..... juz my 10 cents worth...i hope.... 
And and among the 3 i can see who feel the most proud the one that
is least involved
for reason i do not
know