That is heart wrenching.
Is there a way to know the date she pinned that quote?
Maybe, just maybe, KB was moving on and PF could not accept it. Maybe, just maybe, that quote could reflect she had met someone new that treated her well and she pinned that quote to mean that had she not moved to CO and dealt with PF’s crap she would not have met someone great. I know this is a long shot, but it would be nice to imagine KB happy if even briefly before those monsters acted out their plan.
I know CB’s statements are all to the contrary of this, but it’s nice to think, maybe....