So of course I have to wait for the episode to come up next week, but my understanding from reading comments is that Cuddy and House had various weird dreams about their relationship and/or life after it, House couldn't stand to face his fears about Cuddy without getting back on Vicodin, Cuddy broke up with him for it, and next week's promo suggests that Depressed!House is going to jump off a building???
And what are the titles of the next two episodes? "Fall From Grace" and "The Dig"? Sounds really ominous. Unless Cuddy is just going to die really quickly from her totally unexpected and ridiculous metastatic cancer.