Quentin Brown was silent in the passenger seat; he genuinely didn't know what to say.
Warnings, at this point, what face was there to warn, and what guts were left to warn others.
Quentin Brown judged that there would be no trouble; his life was not under threat.
Mad Dog wasn't a desperado; he was a newly rich man with a family and a business. Such people are fond of their lives and wouldn't easily go down together with someone else.
So what was Quentin Brown afraid of? It was the moment when the car was stopped and attacked.
Once safe, Quentin Brown wouldn't stop until he had Mad Dog torn into pieces. But for now, Quentin just wanted to appease Lord Dog and send him off safely.
Do not let anything else happen.
Indeed, nothing happened on the road. It was impossible for an ambush now. Even with surveillance, it would be of the undetectable kind, like a suddenly launched drone or roadside cameras.