A Woman Under the Influence (1974)

In director John Cassavetes' heavy drama about madness:

• the increasing mental breakdown: ("She's not crazy...she's unusual") experienced by lonely, eccentric, middle-aged, working-class housewife Mabel Longhetti (Best Actress-nominated Gena Rowlands)
• the spaghetti breakfast scene with her husband Nick (Peter Falk) and his construction co-workers
• the scene of Mabel's angry accosting (and flipping up of her thumb) toward a finely-dressed women walking down an LA street who literally ignored her when asked the time of day
• Mabel's welcome-home party following institutionalization