> they literally don't even remember what you said six hours later
This is believable right up until they relate to you what someone else said or did last week or even last month. Then you know that they remember things and are willing to share what they remember with others.
And then you hear via some third party what they related you saying to them, and knowing that wasn't what you said at all you can now take what they relate about others saying with a pinch of salt. Or a dumptruck.
