If you are trying to communicate something complex, if you have vast knowledge of a subject and someone else does not, realize it is going to be difficult to get it across the gulf between your brain and theirs. The explanation process may become thorny, but don’t take it out on the other person. Just because that person can’t see inside your mind doesn’t mean he or she is not so smart. You don’t suddenly become telepathic when you are angry, anxious, or alarmed. Keep calm and carry on.