setzer777 wrote:Is there any context for why they stop caring?
"You have forged a bond that cannot be broken!"
So, you're so close and well-connected that nothing could possibly break your bond of friendship. Which is why you can get away with never talking to them again, for the entire game, and effectively spit in their faces. But it's okay, because you got past that crucial threshhold at which betrayal is no longer a possibility.
...Yeah, I can see from a game-mechanics perspective why they wouldn't want you to have to maintain Rank 10 social links (for the sense of achievement in maxing it out if nothing else), but considering
there's some really skeezy implications to never talking to the person in question again afterwards...