Last night I was watching my one year old toddle around our house. She was trying new skills: stopping and balancing, bending down and standing back up, turning around — and each time she tried a new skill she would immediately fall on her butt.

At first, I wanted to stop every fall. I was afraid if she kept falling, she would stop trying. My four year old does that. When she can’t do something within the first two times, she often…