Whatever fear he might've had that he's just overstepped horribly dissolves in the face of John's delightful little giggle, and Martin meets his gaze with a flushed face and a bashful smile.

"I'm fucking brilliant," he answers, the smile turning to more of an outright beam. "Christ. That was..." Words elude him, and he just shakes his head, reaching up to run his fingers softly through John's hair. "Absolute maniac," he says fondly. "I love you."