Patrick Dempsey as Dr. Derek Shepherd in the February 16, 2012 episode of Grey's Anatomy. It's titled "Have You Seen Me Lately?"
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Zola's parents, Meredith and Derek.
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Meredith and Derek share a loving embrace on Grey's Anatomy.
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Meredith and Derek leave Zola with Lexie in the February 9, 2012 episode of Grey's Anatomy. It's titled "All You Need is Love."
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Lexie, Zola, Mer and Der in the February 9, 2012 episode of Grey's Anatomy. It's titled "All You Need is Love."
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Addison isn't just back on Grey's Anatomy. She's married to Derek... at least in this unusual dream world/scenario.
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Derek and Julia, Mark's girlfriend, in the next new episode of Grey's Anatomy.
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The doctors plot their course of action.
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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)

When we say things like "people don't change" it drives scientist crazy because change is literally the only constant in all of science. Energy. Matter. It's always changing, morphing, merging, growing, dying. It's the way people try not to change that's unnatural. The way we cling to what things were instead of letting things be what they are. The way we cling to old memories instead of forming new ones. The way we insist on believing despite every scientific indication that anything in this lifetime is permanent. Change is constant. How we experience change that's up to us. It can feel like death or it can feel like a second chance at life. If we open our fingers, loosen our grips, go with it, it can feel like pure adrenaline. Like at any moment we can have another chance at life. Like at any moment, we can be born all over again.

Meredith