A moment of high tension where M loses his temper. It breaks the rhythm of the play and shows that M is not just a passive listener; he has his own breaking points.

In conclusion, Duncan Macmillan's "Lungs" is a masterpiece of contemporary theatre that explores the complexities of human relationships, love, and the environment. With its innovative storytelling, nuanced characters, and thought-provoking themes, the play has left a lasting impact on audiences and the theatrical landscape. As the world grapples with the challenges of climate change and human connection, "Lungs" serves as a powerful reminder of the importance of empathy, understanding, and responsible action.