An English essay is more difficult than it would seem at first. In many universities (especially foreign ones), students are asked to write an essay on the entrance exam.
This is a safe space, so you can say it: you don’t like teaching. Or maybe you do, or some parts of it, at least. Maybe you don’t see yourself teaching in Vietnam for the rest of your life.
Anyone who’s spent a significant amount of time in Saigon can’t help but notice the preponderance of foreign-born English teachers living in the Vietnamese metropolis.