Scharf wie Chili(2005)

Tino is a real Don Juan and he knows it. No woman can resist his charm including the fiancée of his brother. Right before the wedding he seduces her. Tino decides to seek professional help and joins a group for sex addiction treatment. For his surprise the ex of his brother is also there. Once the members have achieved their common goal - 90 days without sex, they realize that their problem does not actually consists of frequent sexual intercourse, but lack of love, acceptance and true friendship.