He was presenting a complication that she didn't need. If she was too focused on thinking about the strange man and his unpredictable behaviors, how could she hope to pull off the impossible task of helping a doomed man escape from the prison cells she helped build? There were so many variables, so many chances for it all to go wrong. Draco arriving at the wrong time to muck up her already fragile thoughts had the potential for disaster. Though he never shared the details of the time that Aberforth Dumbledore saved his life ten years earlier, she knew enough to know that the tracker respected the Resistance leader deeply. It bothered him to know that he was captured and close to execution. Why would he be so vehement about the fact that she wasn't needed to secure his release? He wanted her locked up in his flat, not at the Ministry.