Hirngespinster(2014)

Overview:

Simon falls head over heels in love with pretty and quick-witted Verena. When his father, who suffers from schizophrenia, has a relapse, Simon devotes himself completely to his mother and little sister and endangers his budding romance. Maneuvering himself into a near-fatal situation, Simon realizes that he cannot change the others' lives, but only his own.