I thought it was interesting when she said that she thought her camp mates were worried by her alleged fainting, and that her family were "used to it".
She expressed the fact that her family reacted to her, what appears to be frequent stage fainting with indifference.
I am guessing that she saw a new audience, both with the camp mates, and the viewers to see if she could shock and gain the reaction she craves.
Just as she said in her interview that she thought they would be worrying about her wellbeing, when in fact they were laughing about how fake her collapse looked. She has a delusion that everything is about her, and that her actions elicit sympathy and worry.
Yet she shows no caring or empathy towards others, ever! When she upset Stacy she made her "apology" all about herself still, and somehow still managed to blame Stacy for the event.
She finds it hard to hide her glee and smugness when Bob has to go through the procedure with the oxygen etc. She gets positively giddy with giggling excitement when she recounts it.
I think she desperately wants that reaction from her family but she has pulled the stunt so many times they no longer bat an eye to it!
I think she is about one thought away from munchausens syndrome! Now she has had a taste of it with Bob and his oxygen and wet cloth there may be no stopping her!