What is the name of this movie?

i watched it when a guy is in a psychotherapy center…he loves a girl there…(she has short cut hair)…
and he got a friend there..
they all the 3 of them feel suicidal..
at the end of the movie his friend commit suicides by driving a car down to the valley.
at the end of movie too..his beloved girl wanted to commit suicide too..but he walks up the mountain and save her…
the last soundtrack in this movie is by david gray- please forgive me…

any one knows the name of this movie ?

thanks-

Posted in psychotherapy office