She is sitting in the library, studying. It's her most common pastime, by hours; spending time with her sister is more enjoyable but Jaromira prefers to socialize more broadly and Katarzyna would only get in the way. This is better on net; the two of them share a room, so it isn't as though her sister's time is entirely hogged by the other girls who call this boarding school "home." Or at least "prison." Katarzyna doesn't mind it, though; the school library is excellent, and basic manners and care for the books has endeared her to the librarian to a sufficient degree to lubricate the interlibrary loans process when there's something she wants to read that they don't have.
"Oh, that might work. It would be rude to interrupt people while they're trying to fly but presumably not everyone will be flying one hundred percent of the time."
"This is true, but if I were just somewhere to fly I might be annoyed if people started trying to talk to me. I suppose other people are more generally social than I am."
"If they have interesting equipment that might be worth it but I do take your point, I'll just make sure to leave anyone alone who asks the first time they ask."
"If everyone followed that rule the world would be a much safer place for introverts who like public spaces."
"I don't know that it wouldn't be worse if I had less but I have ever had people come over and bug me to tell them about what I was reading."
"Thank you. He was all 'tell me your name, c'mon, I know you're gay it's cool just tell me your name'."
"Fortunately this is a nonissue for my own considerations of talking to people at the air park--at least on my end."