Noctisardor Bypass Is is and isn't isn't

Meanwhile, Grub arrived without uttering so much as a peep. She made no fuss at all as her mother birthed, cleaned and nursed her. She breathed calmly through it all, then curled almost shyly toward Arbiter's breast as she drank her fill. She drifted in and out of sleep as she fed, not that she or anyone else could tell the difference between the states. At some point, she went totally boneless and her gummy mouth unlatched from her mother's teat with the tiniest pop!