[He doesn't say what that makes him think: that wherever this other guy is, it's probably nowhere as bad as he could be. He doesn't say it, because it wouldn't make anyone feel better.]
[He gestures at himself, the scruffy expanse of someone who looks like they've been living on a deserted island - in part because he has.]
no subject
[He gestures at himself, the scruffy expanse of someone who looks like they've been living on a deserted island - in part because he has.]
This isn't convincing enough?