I don't think it matters why I use profanity in my private life. But probably just culture, and perhaps a poor upbringing. Definitely not because it is the in thing, which I'm not even sure is a thing. Nor anger, nor pain nor fear. I have no compulsion to embed it the lectures I'm writing, it makes no difference to me whether I swear or not in that arena, I just wanted to know if it was an option, and it seems not, not if I want a quiet life, which I do. And as for vocabulary, of course there are thousands of grandiloquent words one could draw upon, which I also do. But sometimes, throwing a well-placed expletive into a sentence is exactly the right thing at the right moment. Expletives are known to elicit a certain response, a response that no amount of clean words could, simply because they're clean. And if your lectures contain tens of thousands of words, but just 3 or 4 of them dirty, then their effect is amplified all the more. It's just not everyone agrees, because language, interpretation and meaning, is just so personal. One man's impact, is another man's bad taste.
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