If a dog was the teacher, students would learn to enthusiastically greet loved ones when they come home, take any opportunity to go for a joyride in a car since it is such a delight, and enjoy being outside with the fresh air and wind on their face as it brings them pure ecstasy and happiness. They would also learn the importance of occasionally ignoring rules for short-term pleasure and to let sleeping dogs lie by not dwelling on problems or disagreements.