I guess if the ultimate goal in life was to stay safe, we would all wear helmets and never leave the house. Everybody balances safety with other aspirations, some taking one or the other to an extreme.<br><br>The thrill-seekers are an interesting crowd. Your question reminded me of a quote I read on hostels.com from a Guatemalan park ranger:<br><br>"Why do Americans build such high buildings and always want to climb to the top of everything?"