Selena didn't give us any info about what was wrong with Baylor, but it turned out he'd eaten a bunch of rocks. The vet thought he had to have surgery to remove them, but it turned out okay.
But now the adoption agency that Selena adopted Baylor from will apparently be checking up on Baylor regularly to make sure he stays okay. Oops!
Still, all's well that ends well. We're just glad Baylor is feeling better!