First of all, the reason is that Nicholas Tse and Nicholas Tse's father didn't want to let the netizens see the embarrassing side, so they chose to wear sunglasses. As supporters of Nicholas Tse, they should learn to respect and tolerate. In fact, wearing sunglasses indoors is not easy to be seen. I don't want to take off my sunglasses because I have to. Actually, wearing sunglasses won't affect anyone.
Second, wearing sunglasses Nicholas Tse and his father Xie Xian both wear sunglasses, and they look very handsome and cool. Xie Xian's face value was also very high when he was young. Although he is 80 years old now, his body is still strong. Xie Xian has also shot many classic roles, and feels like a male god in the eyes of netizens. There are many reasons why Xie Xian should wear sunglasses on any occasion. Because the wrinkles on your face are very obvious, you will look very old if you don't wear sunglasses.
Moreover, Xie Xian doesn't want her old age to be displayed in front of netizens, partly because her eyes can't stand strong light stimulation, so she will choose sunglasses to keep out the sun. The similarity between Nicholas Tse and Xie Xian is also very high. They are like brothers wearing sunglasses. Wearing sunglasses will make them more handsome.