Did you know the human head is one-quarter of our total length at birth but only one-eighth of our total length by the time we reach adulthood? No wonder babies have such a hard time holding up their heads!
(Source: http://health.howstuffworks.com/human-body/parts/16-unusual-facts-about-the-human-body1111115.htm)
My baby girl at 5 months old
Making Progress 