The hand on her breast was a surprise, though she had to wonder why. It was the logical next step, sure... but she hadn't thought of what the "next" possible step would be. She made a small sound as he moved to pin her to couch and pressed his leg between her legs.
There was a small gasp, but she was back to kissing him just as passionately... her fingers threaded in his hair and she just sort of... went with the flow, arching towards him.