Our systems especially education system has made us to be adapted to complex things to the point that the easiest things are now complex and we can't handle them anymore while they are the basics of life.

To the point that when you ask someone to explain to you a simple concept he/she will start with complex explanation or even fail to answer your question but answer a different one and forget simple information about the issue you asked until you start to elaborate for them..

Then they will tell 'anhaaa' kumbe you meant that and that is the point where they will start to explain to you very basic information that you needed from the beginning

The moral of this thread is to insist that whenever you are given a chance to teach or lecture others don't create a complex environment for your students trying to prove you know everything....