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...is it maybe a European or Greek thing that as a biker your not supposed to be friendly? Seriously...is it a culture thing?



Nope, certainly not a European or Greek cultural thing.
His attire, however, did betray his attitude (heavyset guy, short pants, bicycle gloves, designer vest and helmet).
Pink sunglasses would have blended pretty well ...

It's what Mlessard said. Some people are just like that.

Bedouin. Blessed are those eyes that have seen more roads than any man! (Homer).