This might be true if a child was a toddler when custody was established, but is now in high school. (info.legalzoom.com)
I think there are some toddlers who are very challenging and do not respond to the usual discipline techniques. (toddler-activities-at-home.com)
And now that my son is a toddler, we've crossed the threshold into tantrums and potty training and, well, feeling like a failure has become somewhat of a second nature. (romper.com)