Just To Say Sorry?

"Rat-a-tat..." "Come in!" Lawrence didn't push open the door and enter until he heard this, and he didn't forget to close the door. "Uncle." Benjamin looked up from the documents on the table and glanced at Lawrence. Then, he continued to work. Lawrence knew Benjamin's character well. He always looked neither cold nor enthusiastic. However, Lawrence knew that he was kindhearted.  Ahem! Of course, it wouldn't be long before he gave up this idea. However, this was for later... He walked to Benjamin's desk and stood in front of it. "Sit down first." Lawrence nodded and then sat down in the chair. Looking at Benjamin sign his name at the end of the document, he said, "Uncle, today, I..." Benjamin closed the folder and raised his head, "You have studied abroad for a few years, but you can't even remember how to address me?" Lawrence shrugged his shoulders, "I just think that 'uncle' sounds more pleasantly that 'Uncle Benjamin'." "If you think 'mom' sounds more pleasantly than 'dad', will yo