And of course, when he says "I'm compulsive," Beth Chadwick says "Are you REALLY?" and moves toward him in a flirty sort of way. "Compulsive" can mean many things, but it sounds like she was trying to give it a sexual meaning.
Interesting and thought provoking guesses on which woman sounded like she liked Columbo. Actually, I was referring to the quote in "Blueprint for Murder" in which he refers to Goldie Williamson's massage lady as "sounded like she liked me".