1) You’ll learn new things you didn’t know or be reminded of what you already know and feel good about yourself
2) You’ll realize how much you have to learn (education gap you must fill) or how much you’ve forgotten and be glad for the review
3) You’ll find that you catch things you previously missed or information to which you were never previously exposed
4) Mastery without repetition and review is not mastery
5) You’ll be better and more successful because of the compounding of #1-#4 (education compound interest)