"For me, the main thing is that your destiny is your own, you have complete control to dictate your earnings. This and the level of flexibility I have as a senior member of staff who had proved themselves."
If you take time away from your career to travel, care for a relative, or stay at home to raise a family, you can think more objectively about it. Considering putting my own daughter in childcare/creche made my wife and I assess whether a job is something you want, can do mentally, physically, and financially. (Your life really does get turned upside down when the responsibility and priority of a dependent child arrives in your life) It is possible to discover that your interests, career choices, and financial independence have evolved as a mother/father and that your previous job/industry does not fit with your family lifestyle anymore.