Losing an animal is harsh. I tend to consolidate my feelings better for a family members death than I do for an animal I've cared for. I thought I was cold at first but I slowly began to understand that my sorrow came from knowing the animal knew less about It's life/death than a person would.
Being forced to leave my side, without even knowing why... It really gets to me, and often my senses get overwhelmed with it.
In my experience, letting my emotions run their course until I no longer felt that invisible pressure within me helps the most. From there It's just a matter of letting time heal. The thoughts will always hurt, but strangely I feel better if I keep them somewhat close in my memory & heart.
I'll always keep my animal friends within my 'peripherals' (if you will) because not only did they love me unconditionally, they taught me many valuable lessons a NT person could not, simply because standard thinking could not teach me what I needed to know.
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Theres no earthly way of knowing...
Which direction we are going...
There's no knowing where we're rowing...
Or which way the river's flowing...
Is it raining, is it snowing, is a hurricane a-blowing?
Not a speck of light is showing so the danger must be growing!
All the fires of hell are blowing, is the grizzly reaper mowing?
YES! the danger must be growing, for the rowers keep on rowing, and they're certainly not showing,
ANY SIGNS THAT THEY ARE SLOWING! OOOOAAAAAHHHHHHH!