1. He is good looking ^^ Actually, one of the four canon handsome men (the others are Cedric, Sirius and Tom Riddle)
   
2. He's ideal birthday present is harmony between all magic and non-magic peoples.
3. He is funny.
4. He is man enough to wear pastel-coloured robes!
5. He is a male dumb blond!
6. The titles of his books- gotta love!
7. Hermione liked him.
8. Admit- everyone is Lockhart-ish sometimes!
9. He makes people read!
10. He gave Ginny a reason to write that marvellous poem! (thanks, Isabelle Moody)

Ok... there must be more reasons.... oh well ^^;