Jealousy and bitterness exist in just about every pursuit, and especially artistic ones. I can only speak from a comedian’s perspective, but I’ve watched it ruin people. I believe that if you are going to pursue stand up comedy as a career, you have to understand that there is no clear cut path to “making it.” You can’t let yourself think that paying dues leads to anything except the lessons and experiences that you take away. You can’t start believing that another person’s success is your failure. You can’t become so jaded that you write off the entire industry because of a few perceived injustices. There’s always someone who has more of a right to complain than you do and chooses not to. Falling into cynicism about things outside of your control can poison everything you do and derail you from honing your craft, which is always THE MOST IMPORTANT THING.