I think that at some point in your life you realize you don't have to worry if you do everything you're supposed to do right. Or if not right, if you do it the best you can... what can worry do for you? You are already doing the best you can. ↗
Stars didn't have to worry as they were on long term contracts and were able to enjoy their vacations without worrying about tomorrow. Few had financial worries due to large incomes and little taxes. ↗
The most important thing is to just do it. If I work at a higher level I have responsibility to do better than what I've done before. Sometimes the best happens - beyond possibility. Just do it. Can't worry about it. ↗
Of course there will be disappointments and the way will not always be as I expected it. But if it seemed easy, then that would be the time to worry that I am on the wrong path. ↗