Many people haven't learned the reasoning some other types go through, so they have a loads of whys and whys. Why do you Exxx do these things that way? Why do you J's plan that much? Etc. Others think they've got the idea why the opposite type acts like the way it acts, but they seek confirmation for their theories.
Questions? -Direct your questions to someone of specific type, concise group of types, or people of certain preference.
Answers? Quote the question, or include it in your answer.
I'll ask first. (I don't need to be converted to J-belief, so don't try to convert me. I'm a J.)
Q: You J, what significance does "planning" have in your life?
Q: J, why do you try to get a little things fixed before anything, say, color of flowers prior to wedding reception? Time you'll leave from the cinema? Anything?
Add your own questions. Address them to specific people, like those who think of themselves as SJ, or T, or EF, or anything.
If you can, answer what's been asked. Try to give a definite answer - one that could go in a dictionary, or thesaurus.