He'd been concerned at first as to how Cassie would get out of this without really hurting Tris, but Kon laughed when he realized what Cassie was doing.

"Whooo! You get her, gorgeous!" Kon called out encouragingly, making it sound like very obvious flirting rather than them having any sort of established relationship. "Give that girl an education! In butt whuppin."

Like...an actual education.