Derek might be self-conscious of just how much broader and defined he is in comparison to Stiles, but Stiles is enjoying the shit out of it. He never thought of himself as leaning one way or the other--he loves women. He really does. He loves their curves and how soft they are and how they smell amazing. But the way Derek is so much bigger than him, so much stronger, and all hard muscle is really doing it for him. What had started out as slow, experimental movements is quickly turning into a mindless, desperate grind.
"Oh my god," he moans between kisses. "How is it possible to feel this good?"