As he approached the near-naked girl, he put on his professional poker face and proceeded to slide his hands over her naked body, stretching her limbs and body in various compromising positions in order to make the poor lady feel better. Looking at her facial expressions, I can only assume she was thinking professional thoughts as well, as the professional hands did professional wonders to her body.
After he was done with her, she walked back to her husband who put his arm around her and kissed her intimately.
Now re-read the story, but replace the masseur with an acquaintance or ex-boyfriend. Sometimes I just don't understand humans.