That does make sense. Are the door units very expensive? Certainly worth a try! Does Twiggy know how to use a cat door, yet?
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"We are--each of us--dying; it's how we live in the meantime that makes the difference."
"It's not what you gather, but what you scatter that tells what kind of life you have lived!"
"Be kinder than necessary, for everyone you meet is fighting some kind of battle."
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