I'm allergic to both, but can't resist having a cat. (I take lots of allergy pills and use air filters.)
I love cats. Dogs are okay, and I can like or even love individual dogs, but they're confusing and take a lot of effort to interact with. So I'm a cat person.
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"In my world it's a place of patterns and feel. In my world it's a haven for what is real. It's my world, nobody can steal it, but people like me, we live in the shadows." -Donna Williams