Biology, including hormones and pheromones, shapes our choices, interpretations, and actions with potential and existing romantic partners, operating below conscious awareness.

“Now, this cannot be over-emphasized, right? No matter how much we would like to create a top-down description, meaning from the cortex and our understanding of things onto what we find attractive, who we find attractive, what we enjoy, what we don't enjoy in the pursuit in romantic interactions with others, there always seems to be, and indeed, there always is a deeper layer in which our subconscious processing drives us to find a particular person to be particularly attractive, or in which we have chemistry”