1. Fang knows her better than she knows herself.
2. Dylan is perfect. Perfect people are horrible.
3. Fang chooses to love her, so he does for real. Dylan has to love her. Does he?
4. Fang's hot.
5. Dylan is a romantic fool. Fang's not.
6. Fang understands Max's problems and tries to help. Dylan does neither.
7. Fang is sweet.
8. Fang has known her all her life.
9. He gave her a ring.
10. They've known each other all their lives.
11. If Max turned into an Erased, he would kill her to protect the Flock. Dylan would be too weak.
12. They don't have secrets from each other meaningfully.