My little baby Penny went to heaven today. I love her more than I could ever tell her

Thank you

She was amazing, always. I don't think it has sunk in with my other dog that her sister isn't coming home. I'm so burnt out from crying it hurts

Yeah pets don't really understand this stuff. When we had to put my dog down, my cat (who was obsessed wth him), looked everywhere for him. She even mistook some trashbags for him a few weeks later and got really depressed when she realized it wasn't him
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It's really difficult losing pets like this, especially when it sounds like you were really close with her

The worst part is having to put them down. I would give so much for them to just pass in their sleep, this is my third dog in a row that had to be put down. They just reach a point where they can't even walk or eat, and I know I'm doing the right thing but it absolutely destroys me every time. Right up until the last second there's a part of me crying out not to let the vet do it.

I get that. It's awful to go through and it feels wrong.
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I think one of the worst was a male cat we had. He just suddenly stopped eating for a few days so we took him to the vet and the vet told us that he had stomach cancer way past the point of being operable and that his muscles were completely shredded as well to the point she had no idea how he was walking. And we had no idea because he was literally jumping fences etc right up until then, apparently through sheer force of will
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It hits hard. All you can do is remind yourself that when you signed on to look after them you signed on to make sure they were safe and happy and had the best life you could provide. And that includes making the call when their quality of life is no longer possible
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You were there with her and that is so critical, as hard as it was. You took care of her, and she knows. That's the best we can ever do, and what we have to keep in mind to get through it