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Sex is kinda like pizza. When it’s bad, it’s still pretty good.
— Stuart · Threesome

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The comparison gives sex the same forgiving judgment the speaker applies to pizza: a disappointing version can still be enjoyable. Its casual phrasing makes the claim sound like everyday common sense. The joke rests on maintaining enthusiasm even while admitting that quality varies.
Context reviewed