Values are usually fairly stable, yet they don't have strict limits or boundaries. Also, as you move through life, your values may change. For example, when you start your career, success – measured by money and status – might be a top priority. But after you have a family, work-life balance may be what you value more.
As your definition of success changes, so do your personal values. This is why keeping in touch with your values is a lifelong exercise. You should continuously revisit this, especially if you start to feel unbalanced... and you can't quite figure out why.
As you go through the exercise below, bear in mind that values that were important in the past may not be relevant now.