He snickered, crouching and easily dodging her swing. It was like his muscles were moving on their own, like it hadn't been years since he last practiced. He wasn't working particularly hard, though, since this was Terezi's first attempt at any practice. "My shirt or my face?" he joked, and sprung up again to lightly tap her stomach with a loose fist. It was no more than a nudge. "Next lesson, defense."

He dodges around her and grabs her from behind, capturing her in a loose chokehold. "If I were really your enemy, you'd be screwed now." He was probably giving her too much to work on at once, but who knew when they'd next get attacked.