In 2002’s My Big Fat Greek Wedding, protagonist Toula’s father is obsessed with Windex as the cure to everything. A rash? Poison ivy? A swollen toe? Put some Windex on it, and it will magically sort your ailment out. The third film in the franchise, which bears very little resemblance to that endlessly quotable, sleeper-hit romcom, would have done well to heed his advice.