Zacharias didn't often have people touching his mouth (at least not when outside of amourous situations!) but he didn't pull away. Let Theodore trace the curve of his mouth.
"I wouldn't tell. Not a single person," he said, and he even traced a little 'X' over his heart - one of those childhood habits that always seemed to linger, for ages and ages.
"It will just between you and me. And no one else will know so they'll have nothing to be mad about."