This part of your story:
"There is nothing worse than sitting still listening to someone who does not know what he or she is doing, and that is the reason I always tried to help them become the best teachers."
How I wish I've got a mentor like you @methusalem
It reminds me of how I started my day 1 as student teacher. I was just introduce to the class and she then left the room... as in wow! this is it... I didn't know what to do. All I thought was to sit and maybe observe for days.... but it wasn't....😭
And then she came back ...gave a smile and said " how's my day?" owst..my sad story..
So sorry this should always be fun for teacher and student.