I think your right. Genetics,and heredity have alot to do with it.
I don't like to go up,or down in elivators. There was a small one at a job that I had to use to go up 2,or 3 floors. I got better with time,and doing what I fear'd. I couldn't immagine going up in a three barrel sized lift,going up to over 2,000 feet
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More power to them. It's nice seeing them smiling,and hugging. BF