Affiliation: This is the desire for interpersonal relationships and companionship with others. It's like wanting to join a club because you share common interests.
Physical attractiveness: This refers to the degree to which a person's physical traits are considered aesthetically pleasing or beautiful. Like admiring a well-crafted sculpture in an art gallery.
Romantic love: This is an emotional state characterized by high levels of passion and affection towards another person. It's like being on an exhilarating roller coaster ride where the other person is all you can think about.