My favorite thing is that you can literally post about... well, anything, and get tons of honest responses back and actually discuss them with those that respond. Some are disgusted, some are silly, some are very interested, some say "let it go"... the diversity of opinion is what I love.
They say we can only see our own perspective to things, but throw out there any hypothetical question and you'll wind up with the deepest and most interesting conversation you'll ever have in your life when it comes to a group of us!
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Sorry for the long post...
I'm my own guinea pig.