Backing the wrong horse

This conversation really occurred tonight, during a dance:

Her: "Do you have anything to do with horses, or horse-racing?"
Me: "Errm... no. Why?"
Her: "You smell like you do."
Me: "........... I smell like I do?"
Her: "Yeah. I'm a little psychic about stuff like that sometimes. What about betting on horses – are you a bookie?"
Me: "I'm not a bookie. I have nothing to do with horses at all. I'm an economist and work in a university."
Her: *shrug* "Well, you smell like you work with horse-racing."

I still don't know what to make of this. Except that bookies apparently smell like Hugo Boss and two hours dancing's worth of sweat.