Share 'Who is the best teacher you ever had? And why?'

Think of all the lessons you've learned in your life, both inside and outside the classroom. Are you there? OK. Now see if you can think of the one person who has taught you more than anyone else. We're not asking about QUANTITY of fact. Rather, we want to know who taught you the most useful things you know? This person could be a school teacher, or a parent or even one of your children. Who h...