I was watching dogs today. Sitting at an outdoor cafe, I watched as pairs of dogs on leashes would "meet" each other in the street. Owners would let the dogs sniff and circle each other, give them a moment to "socialize", and then pull on the leash to signal that it was time to move on.
Some dogs liked each other. They would sniff and maybe playfully jump in the air. No barking or yapping. Just sort of scoping the other dog out. When it was time to leave, they would leave, but not without giving a parting glance.
Other pairs of dogs were fucking Satanic drenched-in-blood-and-brimstone enemies, spewing visceral growls of contempt, flashing fangs of fury, thirsty for gore, held back from mauling their nemesis into a wet pulp only by the thin rope tether connecting them to their masters. Those leashes saved doggy lives, be assured.
Maybe the same goes for people, in a kind of more "civilized" way.
I've always believed that sometimes there is an attraction between two humans that goes beyond looks, fashion, intellect, humor, and common interests. It's a primal lust, a magnetic attraction that is unexplainable and unimaginable until experienced. Let two strangers with this attraction pass on the street, and sparks will fly. It's only happened to me a handful of times. But it happens!
On the other hand, there are times when I just plainly dislike somebody from the moment I meet them. Nothing they have said offends me, nothing that they have done is disagreeable. I just don't like them-- straight off. Again, it is rare. But it has happened.
In a way, perhaps we are similar to dogs, in that respect. I don't know. It could be an evolutionary advantage to recognize immediately, without reason or thought, an attraction to some distinct other individual in a crowd. There would be no fighting, no struggle for supremacy against other males (in my case). Just a mutual, unfathomable attraction. Maybe they make good babies. Maybe they simply have great sex, which will lead to many babies, which will lead to passing on those individuals' genes. I don't know. Just a thought.