Let's do it already, then, the Callie-Izzie bit. It felt literally like one of those high-school-movie cafeteria scenes, in a kinda brilliant, self-aware way. ''What is wrong with these interns?'' Cristina snarked, just like a sophomore talking about freshmen. ''We weren't like this.'' And Alex and Izzie were going at each other too, all secret-code-like: ''Some things are worth fighting for,'' Izzie spat when Alex questioned the wisdom of her impending clash, which the whole hospital staff seemed to have gathered for. Then Callie finally arrived — and, well, it's nothing without seeing it, but suffice it to say that Izzie made it clear she thought they were there to fight, and it was actually pretty funny, her putting up her dukes and all. Then that sublime Sara Ramirez came through again, her face saying everything: She wasn't there to throw down, she was there — she thought — to have a private, mature conversation with the woman who was tearing apart her marriage. And now, instead, she was even more humiliated.

A bunch more medical stuff happened after that: Meredith and Norman, having accidentally told the wrong woman she was dying, set out to track her down after she disappeared from the hospital. This other woman, who we learned had lost a bunch of weight to please her boyfriend, started coughing up blood. (''People are stupid,'' Bailey wisely intoned over that surgery. ''They just wanna be loved. That's the only reason anyone does anything.'') Then Norman found the lost, not-dying woman, and it turned out she'd quit her job and chucked her boyfriend and all that stuff you do when you think you're dying, only to find out she was stuck with living. All of which was probably an important life lesson about, you know, life...and living. But the coughing-blood woman, well, died. That set up another astounding Ramirez scene (though probably the dead woman wouldn't see that as her primary purpose) in which Callie unloaded on the boyfriend, who was outside the hospital entrance smoking: ''You didn't love her! You just didn't want to be alone!'' And, well, there it was, the obvious key to her marital breakdown. George and Bailey, having heard the ruckus, ushered the man gently back inside.

Izzie tried to apologize to Callie later, but once again, Callie was such an awesomely strong woman about it. ''Don't you dare come to me for forgiveness, you traitorous bitch!'' she growled. I'd have more of a problem with this — the forgiving the man and blaming the woman — if she hadn't preceded it with a pretty kick-ass feminist argument about how not only had Izzie just plain screwed up, she'd screwed another woman in the process.

Alex wasn't having any of Izzie's crap, either. He chastised her for telling him once upon a time that she wasn't ready for a relationship after Denny, then hopping into bed with George. ''O'Malley?'' he said. ''And then you tell me like I'm one of your chick friends? Come on.'' As she herself would say: Seriously.

And no, poor Callie still wasn't quite done with this god-awful day of hers. She had to wait for her husband outside in the rain. ''You can't just forgive me,'' George said when he got there. ''It happened, and you don't forgive me.'' For a moment, I hoped she still wouldn't let him off the hook — though I realize that wouldn't really do Callie herself any good over the long haul. And she apparently agreed: ''You're right,'' she said, ''I don't.''

Another wriggly one was, however, being strung up (finally!) on her own perpetual hook: Derek told Meredith he didn't want to go through with their plans to go away for the weekend — he just wanted to, you know, marry her. ''I don't want 48 uninterrupted hours,'' he said. ''I want a lifetime.'' I'm not gonna lie: I got a bit confused by all the after-talk about how she wanted to wait, but she might be ready sometime, but he was willing to wait, but what if he met someone who didn't need him to wait...oh, maybe they're just as confused as ever. Or maybe I was too busy swooning over our little McDreamy finally manning up. I'll at least get to bask in the glow of that until next week.

What do you think? What were your favorite and not-so-favorite parts of the episode?

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