Air travel survived decades of terrorism including attacks which resulted in the deaths of everyone on the plane. It survived 9/11. It'll survive the next successful attack. The only real worry is that we'll scare ourselves into making air travel so onerous that we won't fly anymore.
Modeling for me was not fulfilling. I didn't see the point – although I was able to travel a great deal. I lived in Italy Germany and Spain but I wasn't devoted to it.
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I'm vegan on home base but when I travel to other countries I throw it all into the garbage.