There are a few charachters who redeemed the show to a 2 instead of a zero. But it was a frustrating up and down, zigzag, left and right. All the build up and "character development" just destroyed by her sexual discontent and her yearning for excitement. All her decisions where fueled by passion, and not the right kind. No logic applied.
Spoiler:
She still ended up running back to the same ex boyfriend who refused to give her what she has now. Thereby destroying the carefully rebuilt trust not only by her husband but everyone else around her. Maybe this should indiciate that there's not enough movies/shows were good decisions and valuable lessons are depicted.