You can tell when Nikki is REALLY upset..

[Chrizzle]

When Nikki is upset she strops, but when she heard nominations, in the bedroom, she just stood and didnt say anything, and kind of cried. But not loudly.

You could tell this affected her..

[Scuzz]

when you nmominated you know the majority of the group has picked you and know you unliked. Probably more upsetting part is not knowing who