'My world fell apart'

Michelle Williams says she doesnt think she gave her all to the movie after she came back to the set cos her world had just 'Fallen apart' (Heath Ledger Dying) and thinks looking back she was to young to play a surgeon (she was 27 at the time of filming)

http://blogs.indiewire.com/thompsononhollywood/2010/12/03/michelle_williams_talks_blue_valentine_meeks_cutoff_playing_marilyn_monroe1/