A personal recount of my first 3 months of being a teacher. Read how I nearly didn’t make it and how a severe lack of support from the school is all too common for beginning teachers. http://topnotchteaching.com/personal/cried-first-3-months-teaching-career/
There really is a life cycle to teaching. Not every teacher will experience every stage–or every stage to the same degree. While the sequence may be more or less universal, the duration of each stage may not be.