It's not much later, in Isabella's room, that she asks:
"So... is Alex really a dom?"
"Which means I'll get to repeat this at some point in the future, woo."
"It's not the world's most fascinating conversation topic, I guess, what do you mean?"
"I mean that most of my relevant experience consists in being beaten up by Tobias."
Snuggle. "I presume a bunch of teens go into activism when they're about this old, but I don't really have it in me. I understand the problem and such, but other than convincing individual people that switches are in fact a thing," shrug.
"Okay. She might bring it up; she does know you're a switch. But it shouldn't be hard to steer her elsewhere."
"It's not that I don't want to talk about being a switch, I'm just not gonna be very clear about or forthcoming with information on how it's interacted with my history."
"To be honest she's not likely to focus on your childhood in particular. More like, 'do you get that thing where you go into a store and you can see the cashier decide you're a sub who had an accident at the barber'."
"The collar's more indicative than anything. I don't mind it that much, and I don't think I act all that subby most of the time. And I'm definitely not gonna walk around without the collar, heck yeah I belong to you."