Getting a perfect row in Tetris is a special kind of gaming bliss.
The small satisfaction of a perfect fit invokes a calming pleasure in many people, especially when it happens outside of the game.
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Real-life occurrences of Tetris can fulfill a strange human compulsion to make things fit, like a perfectly packed refrigerator or a vacuum that fits just right in that small, awkward crevice in your apartment.
We don't know why, but objects that fit perfectly is the equivalent to peeling the plastic off of new electronics.
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[H/T Reddit, r/PerfectFit]