Severus' inadvertent sexing-up was written under sleep-deprived circumstances. *lol* I really did want him to be on his back, up against a wall, and on his knees, but, slippery snake that he is, he kept turning the tables on me!
And, right now, he's only beginning to realize how serendipitous it was to stumbled upon Remus at Grimmauld Place...and maybe even plotting and planning, too!