I think it has more to do with the fact that she felt she was sharing something very personal with you, albeit gross in your mind. Knowing that you were a willing participant in something that normally would not be accepted can be a turn-on to some people. It’s ‘taboo,’ for lack of a better way to put it.
User Detail :
Name : Ivan, Gender : M, Race : White/Caucasian, City : Hayward, State : CA, Country : United States,