Paul Turner: Besides, fliers aren't good for women -- ever.
Tonie Carter: Oh, I know. Every flier's married to his plane.
Paul Turner: Not quite that bad. But they never know what's going on inside of other people. How can they? They live 10,000 feet up in a world entirely their own. Any girl's safer to leave them there.
Tonie Carter: Dad always used to say, when you're safe... you're dead. (imdb.com)