This is the second stage of team development, where the group starts to sort itself out and gain each others’ trust. This stage often starts when they voice their opinions; conflict may arise between team members as power and status are assigned. At this stage there is often a positive and polite atmosphere, people are

When blocked, the actual carrier-thread (that was running the run-body of the virtual thread), gets engaged for executing some other virtual-thread’s run. So effectively, the carrier-thread is not sitting idle but executing some other work. And comes back to continue the execution of the original virtual-thread whenever unparked. But here, you have a single carrier-thread