I admit, teachers are not given proper status in our society. But for all these things we have to know our strength and weakness.
It is a very rewarding and satisfactory job. They select some definite target of their life and remain successful. Why then a teacher? The strength in a subject must be kept in mind for choosing the right path of success.
There are many types of doctors like eye-specialist, skin-specialist etc. One should have a definite purpose in life.
The question is why so.