Sirius was at this point paying as much or more attention to what was happening over Remus's way than his own flying, and when that kiss happened he almost flew himself directly into a hoop shield. He caught himself at the last minute and flung himself sideways so that he spun around his broom, holding on with his legs, and then righted himself past it while flipping the bird at Fabian and Remus. For distracting him. Right. Not his most elegant bit of trick flying ever, but it worked, and he manages to be more focused the rest of the time.