Students who, while training, develop the habit of rating their performance on a scale from 1 to 10, with level 10 being the ultimate goal, have the ability to increase their ability faster than those who are unaware of the level at which they’re operating.
Healthy competition is what happens between training partners and classmates when they try to outdo each other. It’s a “healthy” competition because both parties positively encourage each other–rather than in a negative way.