Many people start their own businesses because they want to control their schedules and work on their own terms. Sometimes, though, it doesn't always work out that way. If you run a business that involves a storefront or other physical location, you might need to adhere to a stricter schedule until you are successful enough to hire employees.
Another great article by Claire Cain Martin documents that younger professional women are more likely than their elders to plan on taking a career break when they have kids. For them, Sheryl Sandberg's famous advice -- Don't Leave Before You Leave -- can now be supplemented with new advice: Don't Leave When You Leave.