Well, I would just say that it would be ridiculous on writer's part if they make Derek walk out of this...it would be ridiculous! Maybe he would yell and he might not show up this season (ahem, cliffhanger)...but he has got to show up in season 8...otherwise, well lets just not go there...it would be just ridiculous! 😛
As for Cristina...you know that is exactly what I have been talking about that this track is shown so many times for Cristina, her not wanting kids and stuff...and by now it is clear that she doesn't want a kid! I mean seriously, the fact that Owen even brought it up shows that he doesn't know that well, because same thing happened between Cristina-Burke! Frankly, I don't see difference between CO and CB...and I rather prefer CB than CO, and u know how much heavy CB makes me feel!! And if they show Cristina wanting a child...well I dont see anything wrong in that, but it would definitely be not the Cristina we have come to understand! See, Cristina is more like a god-mother, you know? And if Cristina has a child, it would end up like Bailey...not that Bailey doesn't love her child...she loves himmm a lottt but she does struggle giving him time...well she did in past...and so this is Cristina...for whom, surgery is her LOVE, LIFE and DREAMS!! I don't know but whatever...lets see what happens!