Why did Uncle Liu buy a phone to give Professor Liu last time? It's because of his child's job. He argued with Professor Liu who insisted on finding a stable job for his son, while Uncle Liu didn't want to take advantage of the organization.
The two had a fight, and he regretted his harsh words and tried to make amends by buying a phone, but it was thrown out by the other party.
"You're not separating public from private matters, it's not giving special treatment to you. You shouldn't be too serious about this matter. Even if Lone Wolf wasn't your son, he's still our brother. He has only one younger brother, arranging his life well is what should be done, and it's unreasonable that because he's your son, you won't even let him enjoy normal treatment."
