1. She is a spoilt brat
2. She took the place of Tara
3. She thinks shes better than Buffy
4. She forced Willow into a relationship
5. She tries to be the boss
6. She has no depth
7. She is really annoying
8. She wears bad clothes
9. She just assumes that Willow is gay and wants to go out with her
10. She says these words "You're sexy when you pout"
11. She pushes herself into the scooby gang even though shes not a part of it
12. She thinks she has amazing ideas but she doesn't
13. She has a boring personality
14. She is one of the potenitials but she thinks shes a slayer (which she isn't until the end!)
15. Shes so not Willows type
16. Shes not a very nice person
17. She tried to be Willows kite string!
18. She hates Buffy
19. She wants to see her girlfriend evil...weird
20. She survives the final battle!

I know that you said 5 but I had too many..there are more I just can't think of them right now.