Answers

Answer #1: In order to perfect the role of a ballerina you must train and practice enough so that, every step and position is perfected.

Answer #2: In order to perfect the role of a ballerina, you must have the appropriate ideal body so that weight isn’t what is stopping you while dancing.

Answer #3: In order to perfect the role of a ballerina, you must be "immune" to pain so that pain doesn't stop your dancing.