if u have reacted to his middle finger, u would have fallen into
his provocation.
if u treat it as if nothing happen, he also lan lan....
just treat it as if the guy is in a good mood trying to show u his
beautiful middle finger....appreciate it....
whatever it is, maintain positive thinking and u wont be anguish.
Cos once u lose your temper, u lost the ploy as he is obviously out
to make u angry.