Gwynnie has had affairs in all her relationships. She now may, or may not, be in crisis, but she always cheated on boyfriends and partners. Chris probably just had enough of all of Gwynnie manias.
As for Tori, well, she never seemed to be a good person, she cheated on her first husband with current one, who was also cheating on his wife. Those two deserve each other.
And to join to our list of celebrities having issues, Ben Affleck has been forbide to ever again play blackjack in a Vegas Casino. It seems he is a heavy gambler (and that has provoked several marital problems), he knows how to count cards (not that hard to do, really) and was making huge bets when the cards where in his favour and tiny ones when they were in favour of the house. The house does not like to loose and they put an end to his game.
Ah, don't you guys just love when famous people are just like everyone else, except they have millions to blow and their lives are on public display?...
Sometimes good things fall apart so better things can fall together. (Marilyn Monroe)