Yes, I know a guy who was kind enough to this point out. I try not to do this now, but if my concentration is taken up in some difficult problem, or my enthusiasm for something starts to run away, then it comes back a bit. I have a certain intensity that I enjoy when I experience it, but I know now that sometimes others are put off by it.
I have spent the last year away from socializing to gather my thoughts and write my PhD thesis. My outward behaviors were worst when all of my concentration was on constructing the lab equipment for my thesis work. I have also taken time to process years of experience and draw any lessons I can from it.
My enthusiasm for sharing the details of my work, and talking too loud, probably had something to do with not forming very close relationships with other people at the sailing club. Other people would have already arranged partners for using the boats when they arrive, and years after joining I would still have to hunt for a partner, usually one of the new members.
For whatever reason people are put off when you share too much about what you know, either because it scares them or because it makes them feel inadequate (?). I have known people in high places (deans!) that have had trouble understanding me, and it made me secretly wonder how that person got to be where he is without being able to understand my field of discussion. I now think that the success of some people depends on being smooth, looking good, and being skillful at concealing what they know so others aren't put off by it.
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A boy and his dog can go walking
A boy and his dog sometimes talk to each other
A boy and a dog can be happy sitting down in the woods on a log
But a dog knows his boy can go wrong