Having to stand and receive feedback in front of the class had inevitably spiked Remus’ adrenaline, his hands folded at the small of his back, restlessly turning the piece of chalk between his fingers.<br/>He had come to a true standstill by the blackboard as Mulligan commented on the long strings of subtly different Fourier transformation annotated across it, doing what he could to follow along with their professor’s logic and challenge. A small furrow formed between his brows as he shifted his weight.<br/>“It’d result in an image,” he replied, eyes helplessly flickering to Black, a thoughtless search for validation.<br/>Remus would probably have felt more at ease in his presentation had Black not been present, feeling like there was too much transparency between them. Of anyone there, Black had been the only witness to the utter state of despair Remus had been in yesterday when preparing to present even a rough draft of his calculations.<br/>It made the composure Remus so desperately tried to maintain throughout the presentation feel a little silly and entirely ungrounded.<br/>However, Remus failed to meet Sirius’ gaze, the other’s eyeline several inches lowered, making heat bloom through Remus’ chest. Somewhere within him, emotions had intertwined, caught between looking for any sign of academic validation in Black’s expression and the thrill of  seeing an entirely different type of interest.<br/>Restlessly and self consciously, Remus tugged at the way his trousers hung on his hips, leaving a fine dusting of chalk on them as he once again directed himself to Mulligan and the board. “Three dimensional. I believe making the three axis -”