Unfit to Teach
It doesn’t hurt to learn new things about different cultures, especially if you work in a different country. Hearing what other people have to say about the differences between your and their customs always raises interesting points. But what if your conversation partner is nothing but someone who just loves hearing his own voice?
This guy just had to go on and on about a subject matter that he had no first-hand experience in. Before you begin explaining the differences between education systems from different countries, ask yourself this: did I study in those two countries? How about the person I’m speaking with? How much longer can I continue speaking before I sound like a goofball?