Why Infants and Toddlers Are So Exhausting

"as very young children babble and stumble many thousands of times through their early years, they’re steadily building myelinated connections between various sections of their brains. By three years old, kids have twice as many neural pathways as adults. As they grow, they “prune” these down to think and act more efficiently—"
From Ed Central, February, 2014

Conor Williams, author