[Tifa definitely catches the frown, as well as the implications of what Haru says. Not used to people being friendly means that people weren't friendly with her, which feels a little hard to believe given her initial impressions on the girl. She's sweet, soft-spoken, and cute! So it's a wonder that anyone could be anything but kind in return...

But she's glad for the happier turn the conversation has taken—talking about something she loves might help alleviate some of that, she hopes...]

I dunno about that! Don't know the first thing about using the right kind of soil, or how much sun to give them. Where I'm from, we didn't get a lot of either.