The reason they did managed to stay alive is Cole. I mean come on The Good, the Bad and the Cursed and Centennial Charmed had showed that they would be dead without Cole and how did they repay him? By warping his character beyond the believe.
Is she really? first time she met two women who turns out to be her half-sisters she steals from them....not just anything but she goes and steals the Book Of Shadows.
What would you do if a demon appeared and took the book at the same time Paige throw it out of the house? Do not forget that Paige did steal Darryl's soul without consent and Phoebe or Paige cared that they lefted his body in a dangerous alley? He has a wife and two children and then he was almost killed again and it was because of Phoebe's misuse of magic.
@TamB Let's call it for what it is. When you get the time travel perspective out of the discussion, Billie did what Chris did...there is the problem...It's okay...if you are a Halliwell.