Neil's so displeased that he barely registers the finishing touches on his head. And to be frank, he doesn't really know why he got upset over the stupid Wasteland Survival Guide. Normally, he would feign irritation and be done with it. Perhaps now he's realizing the crowning moment of that time in hell was a guide about living in the Wastes.

The emotion's juvenile. It's just flat out dumb, and it makes him want to cry.

So again, he tears up. Blinks angrily to let the fucking water out of his eyes.