Teachers, like anyone else, know that hindsight is 20/20.Business Insider asked teachers for the one thing they wish they knew before becoming a teacher, and more than 50 replied.Some of the most interesting responses are included below.There are quite a few steps you need to take before you become a teacher.Tobecome an elementary school teacher in a public school, for example, you not only need to hold a bachelor's degree, but you also need to prove you have the skills necessary to teach elementary education and have a certain number of hours of supervised educational experience under your belt.All this job training can only take you so far, however, and inevitably you enter the teaching world not entirely prepared for what's ahead.To help prevent aspiring teachers from getting caught by surprise, we asked teachers everywhere for one thing they wish they knew before becoming a teacher, and more than 50 teachers responded.We've anonymously included some of their answers here:SEE ALSO:Teachers share how they REALLY feel at the start of a new school yearPolitics play a huge role."I wish I knew how political education was. I don't think I was prepared for that."The job is so rewarding."I never expected to love teaching as much as I do."Your days rarely end when the bell rings."The paperwork never stops, and it's not just grading, which would be fineit's the district and state mandated paperwork on top of everything else.""There is a ton of paperwork, and the job is 24/7. During the school year it is very hard to find a balance between being super teacher and finding time to be one's own person."See the rest of the story at Business Insider Click here to read full news..