Presented to a classroom for the first time is a challenge to knowledge and a personal impact. We must prepare. Gain recognition and acceptance of students takes time. I think respect goes hand in hand with the skill we develop to solve correctly the problems of students, when they themselves note that advance that are close to your goals and go hand in hand with us. As you rightly say, we are human and make mistakes as such, it is wise to correct, and humor is definitely a great tool for this.
