Because I am a dork. There is dorky love.
When I saw it in the theater, I just fell in love with it. Besides some awesome lines, I do love the Braff, yes indeedy. And hey, Portman's from my neck of the woods, so you gotta root for her, especially as it redeemed the horror that is her acting in the new Star Wars trilogy. Damn you, George Lucas!
I don't know why I capitalized Zoo. I'm weird.