Oh she followed all right, but as soon as she got to the apartment door and tried to follow the woman in her nose hit the threshold. It wasn't very strong, but strong enough to put every strand of fur she had on end. Ptui! but she hated those things!
She hissed with her ears back knowing she looked ridiculous but she couldn't go in without an expression invitation to come inside. Oh she could, but she'd lose form as soon as she crossed the threshold. It was strong enough for that!