Conversation so far:
What happened in 2006 for Joaquin Phoenix?
In 2006, Joaquin Phoenix was invited to join the Academy of Motion Picture Arts and Sciences.
What did Joaquin Phoenix do at the Academy of Motion Picture Arts and Sciences?
What did Joaquin Phoenix first produce?
In 2007, Joaquin Phoenix reunited with director James Gray for the film We Own the Night, which he also produced.
Did Joaquin Phoenix produce other movies besides We Own the Night?
Did Joaquin Phoenix make any other films besides We Own the Night?
For his second film of 2007, Joaquin Phoenix also reunited with director Terry George for the film Reservation Road.
Did any of Joaquin Phoenix's films win awards?
Joaquin Phoenix was awarded the People's Choice Award for Favorite Leading Man for his performance in the film We Own the Night.

Question: When did he go on his self-imposed break?
Self-contained rewrite: When did Joaquin Phoenix go on his self-imposed break?