Don't shoot the messenger.
An expert, or teacher, is a person who, after reading your question, knows what you know, what you don't know, what you are trying to know, and what else you need to know in order to achieve what you are trying to know.
Q&A for professional and enthusiast programmers
Q&A for system and network administrators
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Q&A for computer enthusiasts and power users
Q&A for Ubuntu users and developers
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Q&A for users and developers of hardware and software for Raspberry Pi
Q&A for active researchers, academics and students of physics
Q&A for committed Christians, experts in Christianity and those interested in learning more
Q&A for power users of web applications
Q&A for enthusiasts and power users of the Android operating system