Types of 'What'...

"The bodyguard must have informed you," Jiang Yuyan concluded.

"He will lose his job if he won't inform," Lu Qiang commented.

When Nixxxie took Jiang Yuyan to the washroom inside the university, the bodyguard followed them as it was his job to do so, though he stood up somewhere far away.

He offered to take them to the hospital and as Nixxxie knew he was Jiang Yuyan's bodyguard, she agreed right away. Moreover, Nixxxie didn't have her car.

Before getting them to the hospital, the bodyguard already passed the message to Lu Qiang. As he was the personal bodyguard of Jiang Yuyan, he had been instructed to report anything related to Jiang Yuyan directly to Lu Qiang.

Not waiting for a moment, Lu Qiang left to go to the hospital. 

When they reached home, it surprised the family members who were home at the moment, the elder couple and Ning Jiahui. It was just past lunchtime and they were in the living room.