The British Standards Institution (BSI) has published a report entitled "Eliminating the Second Glass Ceiling", which suggests that there is a worldwide prevalence of women leaving their jobs prematurely.
In the workplace, no matter how good the relationship is, it seems fragile in front of interests. Two people who can't wear a pair of pants can fight for their own interests. So the saying "the workplace is like a battlefield" is absolutely true.
As for layoffs, the most widely circulated statement in the workplace is that after 35 years old, you are a "waste man"; 35% of middle-aged people are always the first to be laid off.