The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as

Romance

Explanation:

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as romance.

It is basic tendency in human beings to be attracted to similar human beings in terms of physical attire or even the same thought processes. Human beings tend to indulge romantically with other human beings, of any gender when they feel a certain kind of physical attraction or vibe that pulls them towards each other.