"I can't, Granger. I have a duty. I have a job to do. And if there is the smallest chance that I can be helpful here, undercover, then I will stay. I helped started this damned war – I'm not going to be a coward and run away to hide in safety. I don't deserve it. I of all people do not deserve safety, or comfort, or –" He stops himself abruptly, cursing under his breath and looking away. "I just can't."