Okay I will try but I haven't watched it personally but I know of the movie your talking about... First it's a A24 production... They produce strange, wild, uncomfortable themed movies while being beautifully shot and directed. The movie is about loneliness, toxic masculinity, grief, anquish, sexism. Rory Kinnear plays several roles in the movie and I heard does a outstanding job at them..
Men Movie: Plot Explained. Men is a giant metaphor for PTSD due to toxic masculinity. Many of the events we see in the film possibly aren't really happening; they only represent the turmoil inside Harper's mind – a combination of her anguish, guilt, relief, joy, and sadness, erupting all at once.