He hooked you Oz, and with old bait.

As soon as he screwed up and post; "One side is curved, it was obvious
he had a wing in mind and was thinking of "Newton Law"

Don't mention Bernoulli. Just sit back and let him take line. He isn't
ready to have the hook set just yet.

He is still asking leading questions. Let him run with it for awhile

Ole Thom