1. Because they are Blair and Chuck, Chuck and Blair.
2. Because butterflies. Enough said.
3. Because Chuck asked her "Are 你 sure?"
4. Because one 日 she will be his wife.
5. Because "I'll stand 由 你 through anything."
6. Because he got inspired 由 looking into her eyes.
7. Because their outfits match.
8. Because she brings out the best in him and he brings out the naughty in her.
9. Because they have tonight.
10. Because he knows that she is not some delicate little flower.
11. Because their children would be the best dressed.
12. Because she was all he could think about all summer.
13. Because...