Life's toughest, most difficult lessons are actually quite simple! What's more, although some of these life lessons can be extremely painful, long, and taxing, they also turn out to be extremely rewarding and even life-changing! The first life lesson is that your life is your own, and you should never feel pressured to have someone else live their life vicariously through you.  The second life lesson is that you can change your life by changing your attitude and perspective