I'm just as bad, lol.
I never realize things like that until after it has been said, and by then, it's just too late, lol.
I don't ever really care about whether or not these people will tell others, because heck, if I met them, I would probably tell them myself! If it's something I don't care whether or not others know, it rushes out... but there are some things I just don't tell anyone or even give an inkling about.
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Sorry about the incredibly long post...
"I enjoyed the meetings, too. It was like having friends." -Luna Lovegood