They would have taught her about apples and the different kinds etc.
That could work. Gabe doesn't push anyone to open up, unless it's due to some other issue like needing to be direct out of concern. I'm thinking he was truly back back in 2019. I'm hopeful he will rub off on her, he's the quiet confident type, caring, quiet can appear broody but protective of those close to him. We could easily explore their connection in game as well.