The teacher's personality should be pleasant and attractive. This does not rule out people who are physically plain or even ugly, because many such have great personal charm. But it does rule out such types as the over-excitable, melancholy, frigid, sarcastic, cynical, frustrated, and over-bearing: I would say too, that it excludes all of dull or purely negative personality. What is the main idea in the second paragraph?

Nonsense answer=report
pag hindi alam wag na mag-answer=report​