>>nickru+(OP)
Quitting like that makes it seem like Greg already knew what was brewing, whatever the conflict was and it came to a head and he made his call. So not a total surprise to him, at least as far as the backstory goes.
>>crop_r+6b
No, he does not seem surprised as he had his mind made up about an important life decision and a carefully crafted resignation letter ready in a matter of hours.