From glass half empty to glass half full (my favorite). After a successful reboot, don't be surprised if you find yourself being more optimistic about everything.
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Self-Confidence: or no longer second guessing everything you say or do around other people. This includes being able to defend your opinions in an argument, off-handed remarks people could make will not bother you as much, and a feeling like you can be part of something and provide equal value to it.
Interestingly enough, there is a really different dynamic when you're directing something that somebody else has written compared to when you're directing something that you've written. And there's a good and a bad side to it. I think the bad side is that you never feel the same level of connection to the material - you just don't.