People Share What They Wish They'd Known When They Were 21, and It's Such Good Advice

Dwelling on your friends' jobs, grades, and relationships will do nothing but make you feel inadequate. Seeing everybody else succeed via Facebook and Instagram is a dangerous thing, and it's best just to ignore all of that. Focusing on yourself is the most important, and you should be proud of your accomplishments and personal successes without feeling the need to compare yourself to others.