The whole nuclear thing is a terrible mess and it's hard for me to understand why it is that we, the United States, seem to be the only ones that are really particularly concerned about it and prepared to do something.
People could rationally decide that prolonged relationships take up too much time and effort and that they'd much rather do other kinds of things. But most people are afraid of rejection.
When they take surveys of women in business, of the Fortune 500, the successful women, 80% of them, say they were in sports as a young woman.