Sirius’ hand was resting on their thigh. It was one of their skirt days. Remus knew he was being a little creepy, but his eyes kept being drawn to their hand, where one single finger was tapping out a rhythm. Marlene and Remus had learned Morse code when they were children and wanted a secret language for just the two of them. Remus pretended that he was watching the finger to figure out if Sirius was trying to send him a message. W... G... A... R... T... Those letters were even a stretch, so it definitely wasn’t Morse code, but Remus needed to watch to make sure, maybe they were in distress... 