Does anyone knows some similar movies dealing with loss of meaning in life and inability to love?

http://www.imdb.com/title/tt0057058/board/nest/160067008?p=3

As for myself recommendations are …

MINA TANNENBAUM
JUDE
BUTTERFLY KISS
HAPPINESS
SOPHIE’S CHOICE
PICKPOCKET
YOU ONLY LIVE ONCE
LA VIE REVEE DES ANGES
A FEW DAYS OF I.I.OBLOMOV’S LIFE
SANS TOIT NI LOI　VAGABOND
THE LIFE OF DAVID GALE
SUNDAYS AND CYBELE
THE HEART IS A LONELY HUNTER
SONATINE(canadian movie)
TA’M E GULIASS...

would you tell me some more ?