So you believe dogs are more capable of "love" than cats?
Your reasoning really is erratic, isn't it? No?
What makes a "dog's" love higher up in the echelons of emotion? Why is a dog more capable of love than a cat?
You still think a cat can "love" you?
The logic isnt irrational at all.
While Cats have been shown to respond to their people with an Oxytocin rush. It is typically a weaker one than with Dogs (Which can sometimes be very strong indeed)
But this is a "Men are taller than Women" thing (IE Men are generally taller than Women but at the same time, there are some very tall Women and some very short Men)
There will be a wide range in the intensity of response in both Cats and Dogs (And indeed Humans for that matter. For some Humans the "Love" response is so powerful it really can make people literally lose their minds. For others, even the strongest reaction is only Meh!)
Actually. I find the relationship between Humans and Cats a far more interesting one than our relationship with Dogs.
With Dogs we are exploiting an already established instinctive social behavior.
Pack structure, hierarchical social structure. Cooperation for mutual benefit. Loyalty to other pack members and so on...
And all of this backed up by many thousands of years of selective breeding (Both inadvertent and deliberate and planned)
Cats have none of this.
They are not pack animals, they dont have a significant social structure, There are some examples of cooperative behavior but it is not typical and up until very recently indeed, there has been little human interference in their breeding. They are essentially no different from their original wild north African ancestors.
And sure the emotional bond they have with Humans is generally a weaker one than with Dogs but the astonishing thing is that it is possible to have one at all. There is no analog in natural cat behavior that Humans have been able to piggy back onto in the way that we have with Dogs.
Unlike Dogs, The relationship that Humans have with Cats is quite unlike to the relationship that cats have with each other.
We can establish a close bond with a dog because they are programmed that way, Dogs cant help but to form a Bond, even Dogs that are severely mistreated by their owners will, like the Loyal Samuri, still typically remain devoted to their owners. Cats however are not. For a cat it is very much a choice.
ISTM that With a Cat the bond is much more one of friendship between equals rather than the automatic Loyalty that a pack animal has for its Alpha. The Cat makes a choice to be your friend just as much as you chose the be the cats friend.
Now, for sure, the Human/Cat "Love" bond will be a weaker and less complex one than a Human/Human or Human/Dog one. But that doesn't mean it doesn't exist at all.
Any claim that Humans are somehow uniquely special and have abilities that no other animal possesses
at all should be treated with suspicion. It really is one of those "Extraordinary claims requiring extraordinary evidence" things.
Sure, Human cogitative abilities are probably the best developed of any animal on the planet, And our emotional responses are going to be complicated by the cogitative layer that we will build over them. But that doesn't mean that we are the only animals that are able to think. And it doesn't mean that no other animal can experience complex emotions.
There are some animals that are probably a lot closer to us than we might think, both cognitively and emotionally.
(Elephants are very interesting. They revere the bones of their dead and I remember an Attenborough type program some years ago where a baby elephant had fallen into a river and couldn't climb out because the bank was too steep. The Mother comforted her Baby while the other adults worked together to dig a flight of steps into the river bank so the baby could climb out! Mind-boggling really!

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