1. When they became best friends with Professor Umbridge:

2. And then showed her how much they *truly* loved her:

3. When they definitely cheered for the dragon instead of Harry:

4. When they literally said anything to Percy:

5. Like, literally anything at all:

6. When Fred adorably asked out Angelina to the Yule ball:

7. When George didn't pass up a good opportunity to tell a joke:

8. ... Even if he could have gone with a much better one:

9. Whenever they were acutely self-aware:

10. When they called out Ron for trying to sneak a deal:

11. Whenever they had something smart to say:

12. ... Because, to be honest, they were the BEST comic relief.

13. When they used their twin-abilities for some evil fun:

14. When they took a moment to stop making jokes and showed how good their hearts are:

15. Because their hearts are SO kind:

16. When they couldn't get anyone to believe that they've ever been called "innocent":

17. When George had a little fun with Harry and Ginny in the kitchen:
18. When their playful jokes panned out to success:

19. ... And when their brilliant ideas backfired:

20. When they weren't afraid to voice their opinions:

21. And, finally, when they were there for each other until the very end:
