Does the foundation laid by 'For example, even at age 2, they waited patiently to open a small gift until a guest had departed'proper etiquette in Chinese culture.' logically support 'They waited to open a small gift when they were very small because they'd been taught to do so.'
For example, even at age 2, they waited patiently to open a small gift until a guest had departed'proper etiquette in Chinese culture.###They waited to open a small gift when they were very small because they'd been taught to do so.