Dr. Izzie Stevens (Katherine Heigl) is all smiles in this promotional photo for "These Ties That Bind," from the turbulent but terrific fifth season of Grey's Anatomy.
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Eh, that doesn't work. Alex and Izzie don't lend themselves well to couple nicknames. But people seem to like them as a couple. Some people, at least.
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We heart Izzie. We don't know what she's smiling about in this scene from "Rise Up," from Season Five of Grey's Anatomy, but we can't wait to find out.
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It makes us melt. Wonder what Izzie Stevens is smiling about in this scene from "Rise Up," from Season Five of Grey's Anatomy ...
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It's another shot of Izzie in the locker room in a scene from "Rise Up," from Season Five of Grey's Anatomy.
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Dr. Isobel Stevens, better known as Izzie, in a scene from "Rise Up," from Season Five of Grey's Anatomy.
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Izzie Stevens (Katherine Heigl) runs some tests in a shot from "Life During Wartime," from Season Five of Grey's Anatomy.
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Alex and Izzie care for a pained patient in "Life During Wartime," from Season Five of Grey's Anatomy.
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Izzie Stevens sits on the back of an ambulance in "Life During Wartime," from the fifth season of Grey's Anatomy.
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Alex and Izzie embrace in "There's No 'I' in Team" from the fifth season of Grey's Anatomy.
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Yes she does. Quite a lot. Here she is in a photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy. Dr. Stevens is never far from a new crisis.
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Well, not that kind of action. But there's a lot of activity in this photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy, as the residents discuss their respective days.
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Grey's Anatomy Quotes

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)

Lexie: [narrating] Grief may be a thing we all have in common, but it looks different on everyone.
Mark: It isn't just death we have to grieve. It's life. It's loss. It's change.
Alex: And when we wonder why it has to suck so much sometimes, has to hurt so bad. The thing we gotta try to remember is that it can turn on a dime.
Izzie: That's how you stay alive. When it hurts so much you can't breathe, that's how you survive.
Derek: By remembering that one day, somehow, impossibly, you won't feel this way. It won't hurt this much.
Bailey: Grief comes in its own time for everyone, in its own way.
Owen: So the best we can do, the best anyone can do, is try for honesty.
Meredith: The really crappy thing, the very worst part of grief is that you can't control it.
Arizona: The best we can do is try to let ourselves feel it when it comes.
Callie: And let it go when we can.
Meredith: The very worst part is that the minute you think you're past it, it starts all over again.
Cristina: And always, every time, it takes your breath away.
Meredith: There are five stages of grief. They look different on all of us, but there are always five.
Alex: Denial.
Derek: Anger.
Bailey: Bargaining.
Lexie: Depression.
Richard: Acceptance.