1. Because they are a match made in heaven.

2. they are the golden couple.

3. nate lost his virginity to her

4. when she came back he was still not over her

5. he thinks she is the most beutifull, amazing alive person he has ever known.

6.he is her natie

7. they have been best friends since they were kids

8.he knows the real serena

9. she is the only woman he has ever loved

10. nobody....especialy jenny humphrey can stop them....

11.because she's always had a crush on him

12. in the books she lost her v-card to nate

13. he left his half-naked girlfriend to go and see her.

14. they wish they could re-live their first time.

15. because the best friend and the boyfiend always make the best match.

16. they always end up together..

17. when he sees her he gets nervous

18. during family problems...they are there for each other

19. they are good enough for each other

20. because the viewers amor them!