Why doesn’t Charlie want to quit running for Squizzy Taylor

Charlie says he’ll do the job on his own if need be. Norman appeals to him, but Charlie says without Squizzy he’d be out on the street.They need Squzzy for money and security. The boys load the three bags of beer onto a trolley at Mr. Jenkins, who advises them to take back streets. They realize they’ll have to cut through the Fitzroy Gardens.