One of the greatest tests of a parent's patience comes at night when you are trying to get your child to fall asleep, stay asleep or go back to sleep.
원문출처 : https://www.cnn.com/2019/02/19/health/touch-bonding-good-go-ask-your-dad/index.html
원문출처 : https://www.cnn.com/2019/02/19/health/touch-bonding-good-go-ask-your-dad/index.html