I will let my body of work speak for itself. I started teaching in 1981. After twenty-nine years, I retired. Since that time, I’ve done over twenty interim positions and countless substitute teaching jobs. I start yet another interim position tomorrow. All told, I’ve been teaching for forty-four school terms. I would say that answers this question completely.
David Lee 
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I am a retired high school teacher and I like to say once a teacher, always a teacher.
I would totally agree,,, in our blood