A huge part of acting in movies is appetite. You do your best work when you've got a lot of appetite and you really want to embrace something. When you get tired you don't have that hunger.
There is small risk a general will be regarded with contempt by those he leads if whatever he may have to preach he shows himself best able to perform.
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I've found the best way is to not be scared of the attention but to be grateful for it and open to it. It makes my days better rather than being annoyed that people want my attention.