I fly on commercial airlines. Height for me is no problem at all. I flew private airplanes for a time as well. Never did I fear taking off and flying at times over 10,000 ft high. I flew to Lake Tahoe and Reno too. I flew to Barstow, CA. I flew all over the SF Bay Area. I do not have faith in rubber bands as the following person has. First he hung onto her arm. When he fell, he shouted in fear. Would you jump hoping the rubber band holds you?