If I didn't know better, I'd say that my own wife had just started this thread...
It's not so much resentment (in my opinion), as it is resignation to the idea that he will never be "good enough" for anyone else's standards - including yours - and that he is being pulled every-which-way by others as they attempt to "correct" his behavior.
He is as he is, and as long as he does not intentionally hurt anyone, there is no need to change him.
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.