It definitely had to do with Theodore being a healer that made him interested in the way her body moved, but that didn't mean he wasn't more interested because it was her. Being a healer influenced everything in his life, honestly; he appreciated the human body in all its forms, and had a particular appreciation for Tracey's. He was not usually particularly obvious or forward about showing any sort of desire like that, but had been somewhat more careful around her, not wanting her to feel like she was in any sort of dangerous situation.
"You want me to try doing that?" he asked, laughing. "Just so you can do the more difficult one and put me to shame, of course. Right?"