It's an occasion to be serious-minded, but also to sometimes think their way into a blind alley and shrug and laugh. She observes, "They say if you really care about the future of the planet, don't have children." He responds, "Actually, they say if you really care about the future of the planet, kill yourself."
On the other hand, he says, it's people like them who could improve the gene pool — "the people who read books and think." He talks a lot about reducing their carbon footprints and planting trees. Continuing that thought out loud, he goes on to observe that perhaps some people shouldn't have children; her worried look at him says: eugenics.
Lungs is a little marvel of a play — thoughtful, funny, unpolemical, forcing questions rather than answers on us (although, if my daughter had seen this a year ago, fat chance I'd be a grandpa).
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