Dittos to what mama-c said. About ten minutes before the end I looked at my wife and said "They wouldn't go ahead and..." And i had it pegged.
Normally I can figure out the plot on any show and I just didn't see it coming. Maybe because about 30 minutes before we watched the show I had a break down (I lost it because I'm sick of being sick) so I wasn't in top form.

She was getting annoying though, she was always so sugary sweet, naive and weak.