The rational and fearful side of Zhang Rei was continuously warning him, screaming even, against trusting Yang Qing, despite how sincere the person looked. Four years at the Institute with him, Zhang Rei knew Yang Qing to be a skilled smooth talker and liar. As a matter of fact, Zhang Rei had learned a fair bit from him, which was how he got so good at fawning and threading the line of diplomacy while trying to be in everyone's good graces.
As such, given what he knew about Yang Qing, and what he had seen Yang Qing do, and even just the reputation Yang Qing held over the years long after they had graduated, the deep schemes and all, Zhang Rei didn't much trust what he was seeing. And yet, he couldn't help but be curious and open the door to Yang Qing's request.
