1. When Cristina and Meredith danced it out for the first time.
2. That time Meredith built a house out of candles for Derek to prove she wanted to give their relationship another try.
3. When Derek proposed to Meredith in the elevator by citing the surgeries they worked on together.
4. When Meredith and Derek let Izzie and Alex have their perfect wedding.
5. And then when Meredith and Derek got "married" by writing down their vows to each other on a Post-it.
6. When Meredith decided to donate a part of her liver to her dad because Lexie asked her to.
7. When Cristina and Owen got married in Meredith's house, bringing everyone together after the shooting.
8. That time Meredith comforted Lexie after the shooting by reminding her she's a Grey.
9. When Dr. Bailey officiated Callie and Arizona's wedding, after helping Callie get through her doubts.
10. And Callie's dad came back to dance with her, despite Callie's mom being against the marriage.
11. When the men (plus Sofia) got together to build Derek's house.
And hilariously vent about all their problems.