Punch-Drunk Love (2002)
Director: Paul Thomas Anderson
Stars: Adam Sandler, Emily Watson
It might not seem like it, but this is ultimately a feel-good movie about a loser who saves himself through love. In the beginning, Barry (Sandler) is angry at the world and helpless, partially because his seven abusive, manipulative sisters make his life a living hell. To make matters worse, he gets in trouble with a phone-sex company that tries to extort money from the unstable wimp.
Amidst his chaos, he pursues Lena (Watson), and she likes him. THe weirdness that follows is sweet and unpredictable, just the kind of love story you'd expect from Paul Thomas Anderson, the greatest living American filmmaker.