Advice should be in terms that can be understood by a layperson.
If there is nobody to help you at all, not even another layperson, you can try to watch the baby emerging in a mirror.
Mass-market publications may prefer people on the lower-educated end of the spectrum as you have enough knowledge to understand scientific concepts while still remaining essentially a layperson.
A layperson may not be aware of his or her rights and responsibilities under the law when the marriage breaks down.
He explains probability in clear, layperson 's terms, and shows its practical applications.