No you are not weird you just know your limits. As you said Pets are a lot of responsibility, so are children, maybe some day you'll change your view on both but for now you should find like minded friends that share your ideals, there are a lot of people out there like you, you're not weird...
Yes, it is. Wait! NO actually it's more like saying
"OMG! I knew I had a cavity 5 years ago but I didn't take care of it, let me blame it on this last piece of candy!"
(..__/)
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"F U C K the world"-John J. Rambo