In my opinion about how to flirtI agree with the teaching of how to flirt with an etiquette.Because it will not look too impressive.But I don't agree that they are taught how to flirt, to the students.Because it will cause other problems.
In my opinion, the flirt I agree with teaching how to make a courtesy because it would not look lazy too , but I do not agree to be taught how to flirt with the student. because it will cause other problems followed.