"Old man." Hua Lao was very excited. His lips were shaking. It took him a long time to make a sound. "You, you What can I do for you? "

the surname of old Hua is Lu. They are actually brothers. In those years, he followed the old man outside the world. Because of his great admiration for the old man, he didn't want to be called "brother Lu". Instead, he was replaced by a word in the middle of his name. Over time, everyone called him "brother Hua" and "old Hua" rather than "Lu XX".

but Hua Lao prefers to call Lu Jinsong "the old man" rather than brother....