The Blackfish and Jaime

Opinions on what Jaime would have said to the Blackfish had the Lannister’s taken him alive after Riverrun yielded?

I like to think he would have told him to go North to help Sansa and Jon take back Winterfell. Would have been a cool element to have the Tully’s arrive with the Knights or the Vale to save them.

I think he would have gotten on well with Jon like he did with Robb despite them not sharing blood, and he would have been an excellent ally/advisor.

Such a great character, just like Barristan died prematurely when they could have been great to have around, the dialogue and different scenes with big characters would be awesome. Hopefully the books do something like this with him.