"It's like telling every teacher they have to be a teacher, social worker, policeman, AND drill instructor with the variety of kids they face."
If someone signs up to be a teacher and does not EXPECT this to be the case, and is not WILLING to do this when the time arises, then they have most certainly picked the wrong career field.
If someone signs up to be a teacher and does not EXPECT this to be the case, and is not WILLING to do this when the time arises, then they have most certainly picked the wrong career field.