M25? that's caused my drivers to burst into tears on a few occasions when I've been across the pond, sure. As for the teenager thing...I've had two of those show up in my life that way. My best advice would be reminding yourself that they're not as invulnerable as they pretend they are. Especially guys.
Roy was a whole lot worse than Thea is with showing emotion or expressing it. I mean it'll vary kid to kid, but...