The lesson that I would hope everyone would learn quite early in their career is don't take it personally. Whatever it is that happens, you're accepted for a role or rejected for a role of whatever, don't take it personally. It's part of the business and the person that is either hiring or firing-that's their business. That's what they are there for and it has nothing to do with how you feel about ... It has to do with someone else's perception of should you do this particular part, so just don't take it personally,. The business is really about rejection, so don't take it personally.