I have been sitting on this review for weeks, because I allowed the perfect to be the enemy of the good. Since you need to see it, here is a review that is not quite as good as the movie. A Real Pain was beautiful. I was laughing and crying the whole time. This review won't have the same effect on you, but I hope it will tell you why I reacted the way I did.
Derek Zemrak, manager of the Orinda Theater, smells Oscar in the air. Me too.
The mood swings, the total lack of self-awareness, the frequent inability to read the room. This movie is basically my brother’s biopic. He, like Benji (Kieran Culkin) in the film, could also sometimes be charming and read the room like a book.
Like me, David (Jesse Eisenberg) is clearly embarrassed by the brother that he clearly loves. Well in this case, the cousin, but it’s the same idea
The "sibling" dynamics and Benji’s mental health ups and downs were compelling, as was his relationship with his grandmother, and the plot driver, a trip to the ancestral home in Poland.
Jesse Eisenberg is clearly a genius. There was no part of this film that wasn’t done well. It was as cringeworthy as an episode of I Love Lucy, which you don’t see often in a movie.
Some people get producer credits for just hanging around. Eisenberg has the letters PGA after his name, which means he is a member of the Producers Guild of America. Which means he actually did something as the producer. Since he wrote, directed and starred in the film as well, he is a quadruple (non-threating) threat.
With regard to the acting, Kieran was brilliant in his ability to play a self-unaware person without so much as a wink or a nod. Real commitment to the character. Benji was expressing pain, mostly hidden from the audience at first. In perfect conformance to the Hollywood rule “Show us, don’t tell us,” Eisenberg gives the lie to almost every film or television show ever feature a narrator or a journalist asking all the questions the audience has. He just shows us.