@JustJonesy In the book his kiss with Daniels was more like conducting a test. Here's evidence of his madness and of his analysis of the kiss.
-spoilers-
"Elizabeth Shaw didn't die in the crash," she said flatly.
"No." There was a tinge of reminicence in his voice, but not regret. "We had been through a great deal together. As a consequence, I held her in the utmost respect. But eventually that was lost to time and necessity. I kept her alive for quite a while. I like to think that was another testament to my creativity, although she might have disagreed. She was my most beautiful subject.
"Until now of course"
pg.282
He kissed her. It was savage, brutal, awkward.
When he drew back, his expression was thoughtful.
"Isn't that how it's done? I contain sufficient information to duplicate the requisite physicality. I know exactly which muscles are involved, though the finer points of time and pressure elude me. Variations are to be expected based on the dissimilar physiognomies of the individuals involved. Well, you can teach me the finer points. We'll have plenty of time."
pg. 289
