She'd be curious if they would, but by the time her siblings come around, her body had settled into a more 'normal' aging process, so she knew it'd likely be different than her. Plus, Bill and Ford are both mostly human, so it made sense they'd have kids that were human-like in their aging.

(It was a little annoying that they couldn't talk as early as she wanted them to, but they were playful and curious kids, so it worked out.)