31 Reasons to Love Joseph Gordon-Levitt on His 31st Birthday

18. He's been in some really smart movies -- have you ever seen "Brick"? Awesome!
19. When he smiles, his eyes squint in this really adorable but sexy way.
20. He must be easy to work with -- after casting him in "Inception," director Christopher Nolan booked him for his new flick, "The Dark Knight Rises."
21. He's also an author: He just published The Tiny Book of Tiny Stories, Volumes 1 and 2.  22. He saved inception from James Franco, who almost played his role.