My boyfriend has been considering pet adoption for a few months now, and recently decided to begin looking. We went to the pet shelter last weekend, and he was drawn to one cat in particular. Out of 40 other cats in the room, he was sold on this all black, large female cat. That's fine, they're the best, but I'm a bit biased since I had one of my own. My cat got out of the house about 3 weeks ago and while we searched everywhere for her and tried every possible idea, it is likely she has died. She was my first pet and my home still doesn't feel the same without her.  I teared up when I saw the cat my boyfriend was considering, she reminded me of my own.

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I would be completely on board this black cat had it been slightly different in size or male instead, even that exact cat had some more time passed. He argued that focusing on another pet would help me move on. I told him I wasn't comfortable replacing my cat with an identical one rather quickly, and would prefer if he chose a different animal.  He accepted my request, but has brought it up a few times, he would go get her immediately if I agreed. I feel bad for rejecting the one cat he attached with, am I overreacting here? AITA for getting in the way of adopting a pet he really liked?