[spoilers] Harry and Ruth

[Silktie]

Yeah, I thought she was really nervous about asking him out. You can see her swallow after saying his name really nervously. She then gave him a really tender look as he walked towards her, so I didn't get the impression that she was asking him out only to finally dump him for good. Hopefully Harry's wounded look has to do with

Spoiler: show

this bit I read in a review - that Ruth apparently has a hard time coping with civilians in danger or being killed, and Harry almost saying something tender to her because of it. Thus the look because he can't hug her or make her feel better while they're at work and surrounded by people.