Billy - He is taking you under his wing - he sees something in you -
Critical thinking - is not memorization and regurgitating back
what you read. This is what happened to you - you were taught
to memorize what is in front of you and repeat it back,
like in a Watchtower or 'book' study.
All original thought was stomped on.
A Japanese adult student in one of my classes, in Vancouver,
said he brought his son to Canada to go to school,
because in the Japanese culture there is a saying; :
"The nail that sticks up, will be pounded down."
Freedom of thought and criticism of doctrine or books
is not allowed in the Kingdom Hall.
You become fear based in your thinking to avoid punishment.
Feeling 'Safe' intellectually is not possible as a JW.
This professor of yours has the wisdom to realize
you need that safe and creative environment to
develop your critical thinking skills. I am so happy for you.