Sirius snorted, having already laid down on the ground by Remus, leaning back on his elbows. Something that now enabled him to easily thrust up his hips and wiggle his eyebrows suggestively. "I don't know. You aren't gonna believe what I tell you now, innit? You gotta check."

If he noticed that, not really that far away, a group of girls who had had a similar idea of studying outside had now abandoned all pretence of doing so to stare at them instead, he certainly didn't seem to mind.