How many people [get premature ejaculation]?

In the movie “Lost in Hong Kong”, Xu Lai, who plays Xu Zheng, and his brother-in-law Bao Beier came to Hong Kong with different purposes and embarked on a journey of twists and turns and ironic. Finally, the two gained friendship and understood the true meaning of life.

There is a passage in the story that Bao Beier conducted [interviews] with Xu Zheng in order to shoot [documentaries] for him. The first question at the beginning is: