Hang on a tick…

obsessionisaperfume:

Pretty much EVERYBODY on my dash is saying how OOC of Charlie it was to leave the brewery, but… 

Sam said, “You’d be working with one of the most dangerous witches in the world.”

And then Rowena talked about how easily she could read Charlie, and proceeded to say things designed to make Charlie start questioning herself as well as the Winchesters.

And then we see them arguing.  Charlie complains to Cas about Rowena “criticizing [her], breathing down [her] neck,” to the point that she feels that “something bad is going to happen here.”

And then, Charlie says, “My mind is… is… It’s a wad of gummi worms.”

Charlie Bradbury, who out-thought Dick friggin’ Roman, who, as everyone also pointed out, survived months if not years of being on the front lines in a war in Oz against an evil wizard.  Even before Oz, she was pretty hard to reduce to that kind of muddled thinking even when when she was terrified.  She nicked the Book of the Damned and successfully eluded the Stynes for weeks.

Rowena wants to hurt the Winchesters, and specifically Dean.  Charlie flat out told her that she loved Dean.  Cas’ reaction to the situation would have told Rowena how much Dean thought of Charlie.

Rowena has cast spells that had demons seeing things and doubting their own perceptions, yes? Manipulating their minds into dreaming specific things.

Maybe I’m adding two and two and getting oranges, but it’s entirely possible that Bucklemming were trying to show us that Charlie was OOC because Rowena manipulated her into it.