"I bet that made it right hard for you to fit in. Did they resent you, ya think?" She could see how people could. Not having the advantage of such a fast moving mind like he had. They no doubt had problems with things that he just whizzed through.
Applejack didn't, she never could have. She loved his marvelous brain, and how it worked. Even if she didn't understand half the things he did. It was almost like he was magic. Even if he wasn't.