The "HNL" Steve has on his tee shirt during the "intervention" is the airport code for the Daniel K. Inouye International Airport (aka Honolulu International).
The title translates to "Unfolded By the Water Are the Faces of the Flowers".
Dano says 'I love the smell of wet dog in the morning.' This is a play on Robert Duvall's 'I love the smell of napalm in the morning' from the movie Apocalypse Now.