Ballroom dancers are better "dirty dancers"

Baby Houseman comes into the bunkhouse party and watches the employees "dirty dancing". Then Johnny Castle and Penny Johnson come in, and they do "dirty dancing" far better than the employees.

Baby does some "dirty dancing" with Johnny for 75 seconds (5:10 - 6:25 in the above video).

Baby comes into the bunkhouse again when she brings the $250 to Penny in the bunkhouse. Employees, including Penny and Johnny, are doing some slow "dirty dancing", but Baby herself does not do any "dirty dancing:" at all.

As the story continues, Baby becomes Johnny's dance student and learns to improve her ballroom dancing. In particular, she learns how to perform the mambo, which is a ballroom dance. She performs mambo dances at the Sheldrake Hotel and at the Kellerman's talent show.

Baby does not learn "dirty dancing" from Johnny. However, Baby herself spontaneously blossoms into a "dirty dancer" and teaches a "dirty dance" to Johnny in the "Love Is Strange" scene. As the scene begins, Johnny is teaching Baby a cha-cha ballroom dance, but then she takes over and leads him into a brilliant "dirty dance" of her own creation.

Baby's tutored, intensive practice of ballroom dancing has developed her indirectly into a creative, admirable "dirty dancer".

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Ballroom dancers are better "dirty dancers". In the first bunkhouse scene, the "dirty dancing" of the employees impressed Baby, but then the "dirty dancing" of Penny and Johnny amazed her. Since Penny and Johnny had mastered ballroom dancing, they excelled also at "dirty dancing".

Because the employees did not practice ballroom dancing, the improvement of their "dirty dancing" was limited. They never would become much better dancers than were in the first bunkhouse scene.

In the "Love Is Strange" scene, Baby showed that she had surpassed the employees in "dirty dancing" -- in her creativity and artistry of such dancing.

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The movie Dirty Dancing is indeed about "dirty dancing", but the movie teaches an important lesson about such dancing. A person who learns and practices dance fundamentals with an expert teacher will eventually become a better "dirty dancer".

In the movie, Johnny teaches Baby "dirty dancing" for only 75 seconds in the first bunkhouse scene. For the rest of the movie, he teaches her only ballroom dancing. Johnny's expert instruction in ballroom dancing causes Baby to spontaneously blossom, however, into a "dirty dancer" in the "Love Is Strange" scene.