I don't know if wanting, craving, hunger, not in the sense of appetite, but of desire, is an emotion only shared by humans or not. I wonder sometimes if my feline friend's need to go out, catch mice, birds, or even large insects, is brought on by the same emotions or if it's born into him. Did he learn that need, like I did for certain things or was it born into him? I know most of the things I've craved in life, have been replaced, regardless of whether or not I attained them. I sometimes wonder what controls that. As a child, I desired sweets, but as an adult, I rarely venture into that area of food. I much prefer savory, salty, or even bitter. As a teen, I had a poster of a Lamborghini on my wall, but given all the money in the world now, I'd probably buy an RV. As a young adult, I bought stuff, but now, my entire life could fit in the trunk of a car. Some might call that failure, and I'd be hard pressed to come up with reasons as to why they are wrong, but...