Sensory inputs like smell and taste can be powerful drivers of attraction and chemistry.

“I mean, people will report, for instance, that somebody's smell is just absolutely positively intoxicating for them, or that somebody's smell is absolutely repulsive to them and they don't know why. That the taste of someone's breath, and I don't mean that in any kind of poetic sense, I literally mean the taste of somebody's breath in some cases can be very exciting to somebody.”