@RumikoOhara
No idea. You could have them get separated in the dark or something. Have her go talk to Harley. After December posts our collaboration she will be able to talk to her.
Hmmm...not sure what to do.
@Kyrisse
It's morning so I would guess in his room would be a good place to start unless he fell asleep by the bunker doors to make sure they weren't opened.