Well, I have to admit frankly, not like Frank, but kissing someone or being kissed by someone is a bit of shocking to me.
I can kiss my family people, no problem. Still rarely we do that.
I don't think we need some common international code for greeting, I agree we should saty different.
When we see each other in the office we say "salemetsiz be?" (literally how is your health?) or "qalaysiz?" (how are you?)
If we are closer friends we say "salem" which is very close to Italian "salve"
Also, elder people still greet each other "as-salam aaleykum", we greet them this way. That shows more respect.
Some people still prefer use Russian language say "privet", "kak dela?" "zdarovo!", "zdraste!"
I guess we are more like stereo-glots we still use two languages.
