No choice but to agree.
Old Karl now has neither the connections nor the backing he once had, and he's already reached retirement age. Most of his old friends are nearly all dead, and these young punks on the streets have no sense of honor.
Time changes too fast!
"Do I need to pay you a deposit first?" Old Karl inquired.
"No need; your recycling station is right here, you can't run away, and I still trust you," Allen Zhang waved his hand, "Once we finish today's work, we'll go find those people for you and teach them a lesson! How much money did you lose in total?"
"$4000," Old Karl said.
Allen Zhang stared at him for a while before saying, "I feel like you're not being honest, my friend."