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Oh yeah! I've learned that the hard way hehe. I still try now and then and yeah... it just goes nowhere. I can usually judge a likely waste of time from the persons expressions of consciousness, and just pick where I will speak to what someone said ;)

very wise , very wise @krnel I turn myself into a lonesome wolf sometimes and just refuse to speak. Some call this "meditation " I call it : protect myself for a little while . those are the times I write :)