Is there a neutral relationship between 'For example, even at age 2, they waited patiently to open a small gift until a guest had departed'proper etiquette in Chinese culture.' and 'They waited to open a small gift when they were very small because they'd been taught to do so.', lacking direct logical ties?
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.