It is selfish to live vicariously through your children
Dave who is a giant hockey fan is watching his son Max is contemplate which sport he wants to play seriously.
Dave wants to tell Max what Dave thinks is best.
Dave tells max that he should definitely pick whatever sport he's drawn to naturally.
Dave tells Max he should definitely pick hockey because hockey is the best sport there is.
Max ends up picking a sport that's dear to his heart and succeeding at it, helping him achieve and learn.
Max ends up hating hockey and drops out of sports entirely becoming an obese adult.