#personally i think people stopped trying to predict jaime's personality shifts because asos showed them how very wrong they could be

[nobodysuspectsthebutterfly]

What will Jaime's reaction and development in response to the probable slaughter of Freys and Lannisters ("Red Wedding 2.0") by Lady Stoneheart, and the rebellion of the Riverlands that will likely follow, be? While there are a lot of valonqar theories and theories of how he might survive the encounter with Stoneheart, but for some reason I don't recall any theories on this front. Might there be a realization that his family's, and his, actions in the Riverlands from AGoT forward were wrong?

Generally people who theorize about Red Wedding: Back 2 Tha Hood have this elaborate fantasy about Jaime being tied up and forced to watch. Usually in conjunction with the theory that he's already half mad because he had to kill Brienne, who sacrificed herself for him. I think the latter theory is highly contrary to both plot and character, so I've been rather doubtful of the former theory as well. (As well as it being in Riverrun: no this is not an invite for proponents of that element of the theory to tell me about it, I've seen it all before and nothing but TWOW will move me.) Personally, I think RW2: First Blood could be one of those downbeat refusal-of-catharsis moments GRRM does sometimes, which includes no direct POV, just hearing about the atrocities after the fact. It may be otherwise, but I'm still sure fans will not be remotely as satisfied as they expect to be.

Anyway. Jaime already knows the actions of his family in the Riverlands were wrong. His whole arc from ASOS onwards just rubbed his nose into it over and over and over again. Notably including his encounter with the Bloody Mummers his father brought to Westeros, notably returning to Harrenhal and finding the house of horrors Gregor had turned it into, notably the whole siege of Riverrun where he's hating the Freys, hating every moment he has to reward idiots like his uncle Emmon or a "scheming turncloak bitch" like Sybell Spicer. Just look at his conversation with Hoster Blackwood in ADWD:

"My father had a saying too. Never wound a foe when you can kill him. Dead men don't claim vengeance." "Their sons do," said Hoster, apologetically. "Not if you kill the sons as well. Ask the Casterlys about that if you doubt me. Ask Lord and Lady Tarbeck, or the Reynes of Castamere. Ask the Prince of Dragonstone." For an instant, the deep red clouds that crowned the western hills reminded him of Rhaegar's children, all wrapped up in crimson cloaks. "Is that why you killed all the Starks?" "Not all," said Jaime. "Lord Eddard's daughters live. One has just been wed. The other…" Brienne, where are you? Have you found her? "…if the gods are good, she'll forget she was a Stark. She'll wed some burly blacksmith or fat-faced innkeep, fill his house with children, and never need to fear that some knight might come along to smash their heads against a wall." "The gods are good," his hostage said, uncertainly. You go on believing that. Jaime let Honor feel his spurs.

This is not a man who is happy with his life and his or his family's actions. Especially considering he took the very first opportunity to abandon it all to help Brienne with her quest.

Now, if you mean, will Red Wedding 2: The Revenge cause Jaime to admit out loud that he and his dad done bad? *pfft* Not a clue in the world. Jaime's going to have a lot going on in TWOW, not in the least however he and Brienne escape (my personal theories including divine Bran intervention; there's a reason why the Brotherhood's cave is full of weirwood roots and has a weirwood throne just like Bloodraven's), and not in the least whatever the hell Cersei gets up to in KL and her probable flight to the Rock. I'm afraid that prejudging Jaime's personality changes that may come from all this is beyond my power, sorry.

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@windriverdelta replied to your post “What will Jaime's reaction and development in...”:

Yeah, it was the "Now, if you mean, will Red Wedding 2: The Revenge cause Jaime to admit out loud that he and his dad done bad?" question - because for all what he knows and thinks, he's still doing these bad things.

​aha, so you're asking more like, will he stop. And like I said, Jaime's going to be very busy, I think his Riverlands enforcement tour will be well past done by the time he gets out of it all. Mind you, I don't think he's going to ever give up entirely on the Lannister state of mind (Tywin's ability to give people complexes is very hard to shake). But a lot of the Riverlands tour was guilt over being responsible for his father's death (since Jaime freed Tyrion and gave him a reason to kill Tywin), which undoubtely made him extra-Lannistery for a while. And also Jaime was trying to get away and deal with his Cersei issues (by using Ilyn as a rubber duck therapist who beats you up), so a lot of his um, complex actions greatly depend on what Cersei ends up doing and how that makes him feel. (Even if they've "broken up", they'll always be connected.) And however the valonqar plays out, alas...